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What should the idle speed be on a 1996 F-150?

What should the idle speed be on a 1996 F-150?

Engine running, check for leaks, nope, all looks good. On fast idle, thats Ok. Few seconds, and good, I hear it ease on down to normal idle. Playing some seeming “new” problem. When I tap the gas, 8 seconds, then eases down to normal idle of 700-800.

Why does my Ford F-150 hesitate when going up hill?

Any help. Acceleration loss Oil Spark plugs Fuel pump Fuel filter Air flow sensor Has power with overdrive off but hesitates and Boggs down when going up hill with overdrive on and acts sluggish when cruising at low speeds with overdrive on. When you step on the gas halfway to the floor or more it Boggs way down before accelerating.

What causes the drum to break on a 2005 F150?

On my 2005 F150 that I just had the transmission rebuilt on. They found a stuck valve on in valve body which causes the drum to break. The drum is poorly designed and they make a better one to replace it with.

Why does my Ford F-150 jerk at idle?

The waste gate flucuates open/closed on steady freeway driving. Whilst on the onramp a sudden acceleration not expected. Vehicle would not slow when go pedal was lifted. Enfgine shuddering, flucuation in tach at idle.

What kind of engine is a 1990 Chevy c1500?

1990 Chevrolet C1500 — 350 V8 TBI — Regular Cab, Short Bed, 2 wheel drive, 89000 miles. New parts: EGR valve, coolant temperature sensor, fuel filter, idle air control valve, pcv valve, air filter, 1 oxygen sensor (in the exhaust manifold), spark plugs, distributor cap and rotor. My truck’s compression is good and I do get spark.

Why is my GMC Sierra 1500 stalling out?

No change. Next, read somewhere that bad ground wire on Thermostat housing can cause ECM issues. Checked it, cleaned it off, verfied that contact wanhers are all steel and attract a magnet, reinstall the ground wire.

How does a GMC Sierra 1500 fuel pump work?

The older model has steel lines coming off of the top of the pump to the frame rail and then connects to the frame steel lines with short hoses, you’ll need line wrenches and the ability to curse. The newer style has plastic tubes from the plastic pump casing and uses those quick connect fuel fittings and you’ll need the disconnect tool.

Engine running, check for leaks, nope, all looks good. On fast idle, thats Ok. Few seconds, and good, I hear it ease on down to normal idle. Playing some seeming “new” problem. When I tap the gas, 8 seconds, then eases down to normal idle of 700-800.

Is there a problem with my 1996 F-150?

Also watch a bolt hole the first go-arond. Start it up, and see what happens. Starts ok (still seemed to have that wide open throttle. Oh well, will deal with later. Engine running, check for leaks, nope, all looks good. On fast idle, thats Ok. Few seconds, and good, I hear it ease on down to normal idle. Playing some seeming “new” problem.

How many miles does a 1996 Ford truck have?

I set out to “shotgun” the sumbitch until I found/fixed it. project since daily trips to the new dealership now possible). (Truck is a 96 4×4 auto, short box, w/ 150K miles on it.) EGR test, retest, and tripple test, vacuum leak test, yada..

Is there a 1989 Ford F-150 idle problem?

– YouTube 1989 Ford F-150 IDLE PROBLEM FOUND!! If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.

What kind of engine does a 1990 Ford F150 have?

1990 Ford F150 XLT Lariat 351 V8 5.8L engine starting/idling rough and backfires when given acceleration. Hesitates and loss of power while driving. Bought truck with 200K miles and now has 210K miles.

Also watch a bolt hole the first go-arond. Start it up, and see what happens. Starts ok (still seemed to have that wide open throttle. Oh well, will deal with later. Engine running, check for leaks, nope, all looks good. On fast idle, thats Ok. Few seconds, and good, I hear it ease on down to normal idle. Playing some seeming “new” problem.

I set out to “shotgun” the sumbitch until I found/fixed it. project since daily trips to the new dealership now possible). (Truck is a 96 4×4 auto, short box, w/ 150K miles on it.) EGR test, retest, and tripple test, vacuum leak test, yada..

Why is my Ford F150 running rough at idle?

If a coil pack goes bad, it’ll cause a misfire and rough idle condition. Really, your F150 will be running rougher at any RPM, but a misfire will be most pronounced at idle.

What’s the rough on a 1999 Ford F250?

7.3L Diesel Rough idle, miss at low rpm. Discussion in ‘ 1999 – 2007 Ford F250+ Super Duty Forum ‘ started by acman2013, Mar 3, 2017 . Hey guys, I’m new to the diesel world and just bought a 99’ f250 7.3.

Which is better cold start or rough idle?

Idle is slightly better warm but still shakes the truck. Cold start it hunts for idle speed, I give it a little gas for about a min and then it idle steady but rough. It does have to warm up for a few minutes or it has very little throttle response.

If a coil pack goes bad, it’ll cause a misfire and rough idle condition. Really, your F150 will be running rougher at any RPM, but a misfire will be most pronounced at idle.

7.3L Diesel Rough idle, miss at low rpm. Discussion in ‘ 1999 – 2007 Ford F250+ Super Duty Forum ‘ started by acman2013, Mar 3, 2017 . Hey guys, I’m new to the diesel world and just bought a 99’ f250 7.3.

Idle is slightly better warm but still shakes the truck. Cold start it hunts for idle speed, I give it a little gas for about a min and then it idle steady but rough. It does have to warm up for a few minutes or it has very little throttle response.

Why does my Ford F-150 have rough idle?

The rough idle wasn’t due to the turbocharged EcoBoost engine—that didn’t come until 2011. What happened was the exhaust gas recirculation sensors were getting sticky. Carbon from the engine was accumulating on the sensors and clogging them. Although diesel engines are usually the ones that make more soot, it can happen in gasoline trucks, too.

What causes rough idle after 100, 000 miles?

A clogged mass airflow sensor in particular causes a rough idle. Ford experts stated that drivers change the MAF and EGR sensors every 100,000 miles. At that point, the sensors have begun wearing down, which can cause further engine imbalance and rough idle.

A clogged mass airflow sensor in particular causes a rough idle. Ford experts stated that drivers change the MAF and EGR sensors every 100,000 miles. At that point, the sensors have begun wearing down, which can cause further engine imbalance and rough idle.

How to fix a 2006 F 350 6.0 diesel engine?

2006 F 350 6.0 diesel hesitates, stutters when giving fuel around 1800 to 2400 rpm. Have re-manned ficm with 50hp boost. Has run great for months. Start up a grade and add fuel…engine stutters and lightly bucks. Does not have the power as normal. New oil, both fuel filters, clean air raid air filter, no codes…

When to replace idle control motor in Ford?

Fords are designed to operate with the resistance in the solenoid in a range between 7.0 to 13.0 ohms. If the resistance is outside that range, the idle control motor needs to be replaced.

What causes an uneven idle on an F-150?

A uneven idle on a F-150 can be a symptom of a variety of engine issues such as vacuum leaks, failed or dirty sensors or worn engine components. If the engine is older or has higher miles on it, the typical culprits will be dirty sensors and carbon deposits on engine head components.

How can I tell if my idle control motor is working?

Look for a difference in idle speed. Allow the engine to run for a minute so it settles to a consistent idle, then take note of any difference in the idle RPMs versus the idle you observed earlier. If the idle has not changed at all, it’s likely because your idle control motor has not been functioning.

Why does my Ford F150 not accelerate when I push the gas?

If your Ford F150 won’t accelerate, that is a serious cause for concern. There are a lot of different reasons that can cause this. Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not. There is a section for each scenario with likely causes for each.

What causes a car to shut down when idling?

One of the first signs of a failing fuel pump is hesitation under acceleration. As the problem progresses, the car will lose power when idling, and eventually it may shut down completely. Bad fuel filter: A fuel filter strains the fuel before it reaches the engine, which protects the fuel injectors.

Why is my F150 hard to start, rough idle and stall?

The most common cause of F150 hard to start, rough idle and stalling is a bad canister purge solenoid that is stuck open, so it’s continuing to draw fuel vapor into the engine. The canister purge valve is located directly above the fuel rail on the driver’s side of the engine.

Why does my Ford F-150 Jerk when I hit the gas?

It runs fine when It first starts but after a while it will jerk when I let off the gas and if I stop at a red light, when I hit the gas it jerks hard like it’s going to stop! I thought a while back I was having issues with the transmission temperature sensor because of hard cranks after a lon drive and letting it sit!

Can a bad throttle position sensor cause idle surging?

Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light

What causes the Check Engine light to turn off at idle?

At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling.

When does the idle air control valve change?

When the engine is running but the vehicle is not moving, this means the engine is idling. During this time, the number of revolutions per minute (RPM) inside the engine will change. The idle air control valve is responsible for managing the engine idle speed.

Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light

What causes idle surges on a car ECM?

Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges.

What happens when the throttle body goes bad?

Nowadays there is an electric system that’s far more efficient than the old ways but it can still have issues. When a TPS goes bad, then the car’s throttle body won’t function properly. It could either stay shut or it won’t close properly which is a severe issue. If it stays shut then your engine is not going receive air and it won’t start.

What to do if your motor scooter won’t idle?

If you find the intake valve is too loose, twist it by hand in a clockwise direction until you reach the desired clearance level. Once you are happy you can just about slide a .004 feeler gauge behind your intake valve then you can re-tighten the intake valve nut and reassemble the intake valve cover and the rest of your scooter.

What happens when fuel is still igniting at 900 rpm?

This would mean that the fuel is still igniting while the piston is descending in the power stroke and would result in a massive loss of power. Using an engine idling at 900 rpm further illustration, the piston is moving upward at a speed that the fuel, given the time it takes to burn completely, is ignited 1/16-inch from the top.

Why does the engine run after the intake valve closes?

As the piston reaches top dead center and continues downward once again it creates a vacuum sucking more fuel into the cylinder. This is the intake stroke. Just prior to reaching the bottom of this stroke the intake valve closes. The crankshaft turns again and the piston begins to move upward, compressing the raw fuel and air in the process.

Why does my Ford 89 F150 stall at idle?

The idle was still solid, but it was running rich and >cutting out. >Valve not closing properly) popped up during the KOER test. I replaced >the EGR Valve and it seems to be running much smoother. But, I haven’t >had the opportunity to get it over 45 yet. One good thing is that the >acceleration. It’s not gone, but it is MUCH better.

What should the idle RPM be on a car?

Your engine should normally get to around 700 RPM after you start the vehicle, depending on the model. If your idle is way off and you have one or more of the problems listed above, then you will want to diagnose the issue right away.

Why does idle speed drop during cold startup?

If the idle air control valve did not compensate for these, the idle speed would drop when certain accessories are used. In severe cases, the engine may even stall. The idle air control valve is most important on a cold startup. Problems with the idle air control will be most obvious during this time.

What causes a Ford F150 engine to stall?

If your Ford F150’s engine timing is off, it’s going to stall out, misfire, and altogether not run properly. Here are some of the more common causes of an engine timing problem: VVT Problem – Many modern engines are equipped with Variable Valve Timing.

Why does my 1990 Ford F150 not start?

83 people found this helpful. Ok I have a 1990 ford f150 300 6cylinder iv replaced starter solenoid coil and still not wanting to start don’t seem to be getting fire what could be the problem any suggestion from any one here I really like this ole truck and I will do what ever it takes to get her back on the road plz help me

Why does my Ford F-150 engine keep cranking?

Ford F-150 Questions – Starter continues to crank.. – CarGurus Starter continues to crank.. I have a 1987 Ford F-150 351 engine. A few days ago it wouldn’t start, so I replaced the solenoid. Two days later, after starting it, it continued to try to turn over, even though it started.

What kind of engine does a Ford F150 have?

A Ford F150 302 crate engine, for example, may fit a variety of Ford F150 vehicles. However, some crate engines like the Ford GL3Z engine fits most trims of the Ford F150 from 2015 to 2018.

What kind of engine does a Ford 302 have?

When you think about parts that are important to keep your vehicle running well, an engine is probably at the top of your list. This is true whether you have a Ford 302 complete engine, also called a crate engine, or some other engine like Chevy crate engines.

Can a crate engine work on a Ford F150?

However, some crate engines like the Ford GL3Z engine fits most trims of the Ford F150 from 2015 to 2018. Essentially, Ford complete engines are made for many Ford vehicles, and the specific listing will tell you if a certain crate engine will work with your Ford.

What kind of engine does a 1988 Ford truck have?

I have a 1988 e350, 351 engine size. The truck runs rough high low then after awhile stalls while idling. If I drive alongs I don’t come to stop it won’t stall.

Can a poor fuel pressure regulator cause a Ford to stall?

A poor fuel pressure regulator can also cause your Ford to stall while idling or driving. While it will most likely occur while idling, it is not unheard of for the car to stall while you are driving down the road.

What’s the problem with the throttle on a Ford truck?

Electronic Throttle Body Malfunction Electronic throttle bodies have been a long-reported issue in Ford vehicles. In today’s Ford F-Series trucks, the electronic throttle body (ETB) is data-controlled. The ETB transmits sensory data to the throttle valve, which controls the quantity of air that passes to the engine.

Why does my Ford F150 idle so much?

Here are the main components of the ignition system, as well as what would cause them to make your F150 idle roughly. Spark Plugs – One of the absolute most common causes (if not the most common reason that your F150 may be misfiring) is the spark plugs.

Is there an aftermarket exhaust system for a 1997 Ford F-150?

An aftermarket cat-back for your 1997-2003 Ford F-150 will be of a much superior design over stock. The factory system simply has too many non-optimized bends (sharp bends, varying radii) which, while functional, are not conducive to the passage of exhaust from a performance perspective.

What happens when you change the exhaust pipe on an F-150?

Regardless of which design you go with, replacing the mid-pipe on your F-150 can net you anywhere from 5-20 extra HP/TQ, while drastically changing the sound of your truck for the better, making it louder and more noticeable. The cat-back is the part of the exhaust system that runs from the catalytic converter to the back of the truck.

What’s the idle time on a 1996 F-150?

Playing some seeming “new” problem. When I tap the gas, 8 seconds, then eases down to normal idle of 700-800. Dang, I don’t remember it doing that.

If your Ford F150’s engine timing is off, it’s going to stall out, misfire, and altogether not run properly. Here are some of the more common causes of an engine timing problem: VVT Problem – Many modern engines are equipped with Variable Valve Timing.

What does low idle or fluctuating idle Ford mean?

Ford reports that the symptoms show as an idle speed that drops below the recommended speed or the vehicle exhibits a fluctuating idle. The vehicle may or may not store the following trouble codes: Ford has issued updated parts to fix the problem. Alldatadiy.com and Eautorepair.net are the two best shop manuals—period!

Why does my Ford F150 stall at low RPMs?

Of those two times, 1) Freeway: engine stalled when I pressed rolling. If I give it a little gas, it does just fine. It also seems to perform accord. We also acquired a camper recently and the truck did just fine the occasional stoplight. Selector Valve / Reservoir fixed the problem. I replaced that, but no dice.

Why is my Ford F150 running so rough?

The heat of the exhaust can also bake the wiring going to/from them over time. If an oxygen sensor goes bad, it can make your F150 run too lean (or rich). A super lean running engine will often idle rough.

What happens if you have a bad idle control valve?

Since the idle air control valve is supposed to manage the idle speed of the engine, a bad valve will certainly throw that out of whack. It will cause the idle speed to randomly fluctuate to different speeds rather than stay at one constant speed. The idle speed may be too high at one moment and then too low at other moments.

What does it mean when your car is idling but not running?

When the engine is running but the vehicle is not moving, this means the engine is idling. During this time, the number of revolutions per minute (RPM) inside the engine will change.

Why does my 93 F150 302 hesitate and surge?

EGR works properly. This problem is only in closed loop. While the engine is cold everything seems to work fine. I can open the throttle a bit, say 1500, and there’s a surge, or maybe you could call it an “anti-surge” where the rpms will drop a bit and engine roughens up a bit, then it goes back up and smooths out, then cycles back down.

Is there an issue with my 93 F150 302?

My 93 F150 302 has an issue with a slightly rough idle, a slight hesitation when pressing the gas, and a surging when at a constant throttle position. I’ve replaced the entire ignition system, including the distributor and verified the plug wire routing, replaced the TPS and EGR position sensor.

EGR works properly. This problem is only in closed loop. While the engine is cold everything seems to work fine. I can open the throttle a bit, say 1500, and there’s a surge, or maybe you could call it an “anti-surge” where the rpms will drop a bit and engine roughens up a bit, then it goes back up and smooths out, then cycles back down.

My 93 F150 302 has an issue with a slightly rough idle, a slight hesitation when pressing the gas, and a surging when at a constant throttle position. I’ve replaced the entire ignition system, including the distributor and verified the plug wire routing, replaced the TPS and EGR position sensor.

What’s the trouble code for a cold Ford?

It may run extremely rich, which you will notice with rough idle and poor MPG. It may also store trouble codes P0172 and P0175. However, once the engine warms up, it runs fine and will restart just fine.

What to do when your Ford engine is cold?

If you have access to a scan tool, check the FLEX FUEL DATA reading. If the reading is 70% or higher, your first job is to reset the PCM by disconnecting the battery terminals for at least 5 minutes. Then reconnect and take the vehicle for an extended road test. Let the vehicle cool until the engine is cold.

How do you do an idle Relearn on a Ford?

Follow these steps to complete an Idle Relearn: With vehicle at a complete stop, set the parking brake. Put gear shifter in “P” (Park), turn off all accessories. Run the engine until it reaches normal operating temperature.

Why does my Ford F150 misfire at 50 mph?

It would idle alright, but when I would get between 45-50 MPH, the engine would misfire badly. It felt as if I was going over a rumble strip, as someone else described it. If I let off the pedal, the problem would stop. If I pressed the pedal down hard, the problem would stop.

What makes a Ford F150 run so smooth?

I have a 4.9L inline 6 that vapor locks when it idles more than 10 min. Sometimes while driving. The truck runs really smooth with no mechanical problems im aware of.Any sugestions? on how to fix this problem?

Why is my a / C not working on my Ford E-150?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My A/C Working? What are common reasons my Ford E-150 has air conditioning problems?

What causes a Ford F-150 engine to misfire?

Damaged fuel lines cause the engine to misfire and can possibly start a fire in the engine. Dirt or rust in the fuel tank will clog the filter. This is more of a problem for older trucks than newer models. Figure 2.

What to do if your Ford F-150 is misfiring?

Ford F-150 and F-250 owners should always consider seeking services of a skilled mechanic since misfiring can be caused by many factors besides the aforementioned. Also, avoid damaging sensitive engine parts like spark plugs or coils when cleaning the engine bay by using a high pressure air nozzle instead of water to blow away dirt.

Damaged fuel lines cause the engine to misfire and can possibly start a fire in the engine. Dirt or rust in the fuel tank will clog the filter. This is more of a problem for older trucks than newer models. Figure 2.

What is the diagnostic code for engine stall?

Diagnostic trouble codes P0120, P0121, P0122, P0123, and P0124 are what will commonly appear. The engine can stall for no reason and without any warning. This happens when the TPS gives incorrect information to the ECM. The engine can stall at high speed, at low speed, or even at idle.

Ford F-150 and F-250 owners should always consider seeking services of a skilled mechanic since misfiring can be caused by many factors besides the aforementioned. Also, avoid damaging sensitive engine parts like spark plugs or coils when cleaning the engine bay by using a high pressure air nozzle instead of water to blow away dirt.

Really, your F150 will be running rougher at any RPM, but a misfire will be most pronounced at idle. Spark Plug Wires – While not every model and engine combination of vehicles today comes with spark plug wires (a lot are now coil on plug), if your F150 happens to have them, they can go bad and cause a rough idle.

Why does my Ferrari F150 shake when idle?

There are a lot of reasons why your F150 may shake when idle. Before you go trying to figure out which one is causing your F150 to feel like it’s on spin cycle, make sure that the check engine light isn’t on. If it is, get the trouble codes. That’s a great place to start.

Really, your F150 will be running rougher at any RPM, but a misfire will be most pronounced at idle. Spark Plug Wires – While not every model and engine combination of vehicles today comes with spark plug wires (a lot are now coil on plug), if your F150 happens to have them, they can go bad and cause a rough idle.

There are a lot of reasons why your F150 may shake when idle. Before you go trying to figure out which one is causing your F150 to feel like it’s on spin cycle, make sure that the check engine light isn’t on. If it is, get the trouble codes. That’s a great place to start.

Can a bad idle control valve cause stalling?

3. Engine stalling The idle control valve, also commonly referred to as the idle air control valve, is an engine management component that is found in one form or another on the majority of road going vehicles.

Can a bad alternator cause a bad idle speed?

A vacuum leak in any of the hoses can be the culprit—inspect them all for leaks. A bad idle-speed control unit can cause the problem; it may need to be replaced. A faulty alternator can fast idle issues; if so, replace it. For the do-it-yourself mechanic, Many high-idle problems can be identified and remedied with some patient troubleshooting.

What does it mean when your car Idles too fast?

But if the accelerated idle persists even after the engine is fully warmed up, it probably indicates a genuine problem. Troubleshooting Fast Idle Problems The first step is to determine if there are any diagnostic trouble codes stored in the PCM (powertrain control module).

Why does my Ford F250 surge at idle?

F250: 7.3L..surges..run at 50-55 when pulling an empty stock trailer. Vocational, Technical or Tra… Its probably a vacuum leak in the upper intake plenum gasket near the center. These engines had issues with the intake plenum gasket sucking in and causing a surge at idle and possibly highway speeds. … read more

What to do if your Ford engine is running at idle?

Hook up a portable trouble code tool for your specific Ford make and model. Look for any trouble codes that appear while the engine runs at idle. Write down any code number and look it up in a trouble-code manual. Most times, code numbers can pinpoint the exact system failure or miss in the engine.

What makes a 1989 Ford F250 idle real rough?

You can’t post conmments that contain an email address. 1989 ford f250 w/460 acts like choke is closed but has no choke! what gives? my truck is fuel injected but acts like the choke is closed as it emits black smoke and idles real rough ! have replaced map sensor,air valve, e.g.r,plugs,wires but no help.

F250: 7.3L..surges..run at 50-55 when pulling an empty stock trailer. Vocational, Technical or Tra… Its probably a vacuum leak in the upper intake plenum gasket near the center. These engines had issues with the intake plenum gasket sucking in and causing a surge at idle and possibly highway speeds. … read more

Hook up a portable trouble code tool for your specific Ford make and model. Look for any trouble codes that appear while the engine runs at idle. Write down any code number and look it up in a trouble-code manual. Most times, code numbers can pinpoint the exact system failure or miss in the engine.

Are there any problems with a Ford engine?

All engines at one time or another will have idle problems; Ford engines can have idle stumbling, surges and stall-outs, no matter what make and year. Engines should run smooth and evenly when at idle, never fluctuating in rpm or dying.

Why does my 1989 Ford F 250 not start?

I just had an 1989 F-250 given to me by my boss. When I got it, it didnt start. I had to jump it to get it to turn over but it just cranked (no start). It has a new IIAC valve. I replaced the ignition module on the distributor and it started right up.

I just had an 1989 F-250 given to me by my boss. When I got it, it didnt start. I had to jump it to get it to turn over but it just cranked (no start). It has a new IIAC valve. I replaced the ignition module on the distributor and it started right up.

You can’t post conmments that contain an email address. 1989 ford f250 w/460 acts like choke is closed but has no choke! what gives? my truck is fuel injected but acts like the choke is closed as it emits black smoke and idles real rough ! have replaced map sensor,air valve, e.g.r,plugs,wires but no help.

A uneven idle on a F-150 can be a symptom of a variety of engine issues such as vacuum leaks, failed or dirty sensors or worn engine components. If the engine is older or has higher miles on it, the typical culprits will be dirty sensors and carbon deposits on engine head components.

How to troubleshoot an idle that is going up and down?

Finding the ultimate cause of an uneven idle can be a trial and error process, but a cost-effective way to cure your F-150’s idle problems is to start by cleaning specific components to see if this restores a smooth and even idle prior to replacing components.

What causes high idle speed on Ford F-150?

Hi Everyone: Today we have this F-150 with a high idle concern that has been to a local Ford Dealership 3 times and the customer still has the same problem. During the diagnostic procedure I found the throttle plate is sticking and there is a huge gap on the spring side of the throttle plate causing the idle concern.

Finding the ultimate cause of an uneven idle can be a trial and error process, but a cost-effective way to cure your F-150’s idle problems is to start by cleaning specific components to see if this restores a smooth and even idle prior to replacing components.

What to do when your F-150 is going up and down?

Spray throttle body cleaner into the throttle body opening, and hold the butterfly valve open to spray the interior of the housing. Use a soft cloth to clean the throttle body after you have allowed the cleaner to work for a few minutes. Use a top-end engine cleaner to clean carbon from the engine.

What causes a Ford engine to run at a low idle?

If any injector reading shows a higher or lower than average number, the cause will be a defective injector, which will cause a rough idle. A zero reading will indicate a shorted injector, and must be replaced. You can also use a stethoscope or a long handled screwdriver to place on the injector head.

How can I tell if my Ford engine is running?

Replace the EGR valve. Use an ohm meter to check your fuel injectors (with the engine running), by removing the wire from the injector. Two metal prongs sit inside the connector. Set the meter for the ohm setting. Touch the red meter lead to one contact and the black lead to the other prong.

Can a faulty PCM cause low fuel mileage?

Since the fuel pressure regulator is given specific air/fuel mixture directions from the PCM, it should always maintain the proper mixture. A faulty fuel pressure regulator can also be to blame for a sudden decrease in fuel mileage. These symptoms can also occur with a plugged fuel filter, failing fuel pump, or faulty PCM.

How many miles does a 1996 F-150 have?

(Truck is a 96 4×4 auto, short box, w/ 150K miles on it.) EGR test, retest, and tripple test, vacuum leak test, yada.. now *thats* really “out there”. Being very mechanically any merit. However, I did give in, and did a quick clean of the plates from the ourside (without taking it apart). Nada. Few more weeks go by, and I decided to dive

Is the Ford 5.8 liter engine still used?

A “performance” model called the F-150 Lightning received a slightly modified version of the 5.8-liter engine. As of 2010, the 5.8-liter engine is still used in Ford cars, trucks and SUVs.

What kind of horsepower does a 1993 Ford F-250 have?

This engine produces 200 horsepower. The F-150 Lightning offers a slight increase in power, and its engine produces 240 horsepower. Torque is the twisting power of the engine and directly affects the vehicle’s initial acceleration when carrying weight. The 5.8-liter engine in the 1993 F-250 and F-350 produces 310 pound-feet of torque.

What kind of mileage does a 5.8 liter engine get?

The Lightning and the F-250 are the only 5.8-liter-equipped vehicles that have been evaluated by the EPA for fuel economy. The Lightning gets 12 miles per gallon in the city and 17 mpg on the highway. The F-250 gets 11 mpg in the city and 15 mpg on the highway. The 5.8-liter engine has the same internal features in all three models.

What kind of engine does a Ford F 250 have?

The F-250 gets 11 mpg in the city and 15 mpg on the highway. The 5.8-liter engine has the same internal features in all three models. It has a bore of 4.0 inches and a stroke of 3.5 inches. This engine has an overall displacement of 5,752 cubic centimeters (or 351 cubic inches). It also has a compression ratio of 8.8:1.

What’s the problem with my 1999 Ford F150?

I Have a 1999 ford f150 4.6 that back fires and is just running really ruff when idling alot of nack fire a sord of like a pulse going on what is my problem? You can’t post conmments that contain an email address. An expert who has achieved level 1.

Where is the EVAP solenoid on my 1994 Ford F150 5.8L?

“Where is the EVAP Solenoid on my 1994 Ford F150 5.8L EFI?” It’s located on the EVAP line that goes into the throttle body, coming from the EVAP canisters. Learn the SECRETS to fixing cars yourself. My ebook REVEALS to you the methods that PROFESSIONAL mechanics use to diagnose and fix your car, charging you major money…

What causes a diesel engine to have rough idling?

As diesel engines age, the fuel injection system can start to “gum up”, and the injector tips begin squirting instead of misting. The injection timing can get out of whack. Wear and tear on the piston rings and cylinder walls result in lost combustion. Is the smoke coming out of the exhaust pipe blue?

Why does my car have a rough start up?

The excess oil gets burnt and is emitted as blue smoke. This is a mechanical problem because engine oil should not be getting into places where it can be burned. In this case, the engine will usually experience a rough start-up, with the idle smoothing out after about 30 seconds.

Why does my Ford F-250 have a rough idle?

While there are a variety of reasons your Ford F-250 Super Duty has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.

As diesel engines age, the fuel injection system can start to “gum up”, and the injector tips begin squirting instead of misting. The injection timing can get out of whack. Wear and tear on the piston rings and cylinder walls result in lost combustion. Is the smoke coming out of the exhaust pipe blue?

The excess oil gets burnt and is emitted as blue smoke. This is a mechanical problem because engine oil should not be getting into places where it can be burned. In this case, the engine will usually experience a rough start-up, with the idle smoothing out after about 30 seconds.

Are there any problems with the Ford 7.3 power stroke engine?

It’s also important to note – the Ford 7.3L Power Stroke diesel engine earns high remarks for reliability. They are great engines, however problems can and do occur. Fortunately, most issues with the 7.3 Power Stroke are relatively simple, cheap fixes.

What causes no start on a Ford 5.8L?

Go to: No Start 2: Checking Fuel. CASE 2: Spark was NOT present in all of the cylinders A number of things can cause this no spark result. So this what I would suggest:

How to test fuel pump in Ford 4.9L?

For a step-by-step explanation on how to test the fuel pump, check out this tutorial: How To Test The Fuel Pump (Ford 4.9L, 5.0L, 5.8L). NOTE: You can run down to your local AutoZone or O’Reilly Auto Parts and rent one or, you can buy one online. You can check out the following link: Actron CP7838 Professional Fuel Pressure Tester

Why does my 1989 F-250 stall in Park?

Once its warmed up it will run only in park as soon as i put it in gear it stalls unless I use two feet. while in park it revs up then back down and comes close to stalling and then picks back up, which pointed me in the direction of a vacuum leak.

What’s the average speed of a Ford F150?

Picture yourself driving a 50 mph. Unless you are constantly watching your speedometer (instead of the road), your speed is probably going to drift up and down a bit. No problems noticed when my speed drifts down, but when it begins to drift back up, the truck shudders a bit.

Why does my Ford truck stop at 45 mph?

“My Ford 150 truck starts bucking/pulling (as if missing) when it reaches the 45-50 mph if I step on the gas pedal and as it reaches the 50-60 mph it stops doing this, also when this happens if I hit the overdrive button this causes this to stop from bucking/pulling and truck runs smooth.

Picture yourself driving a 50 mph. Unless you are constantly watching your speedometer (instead of the road), your speed is probably going to drift up and down a bit. No problems noticed when my speed drifts down, but when it begins to drift back up, the truck shudders a bit.

(Truck is a 96 4×4 auto, short box, w/ 150K miles on it.) EGR test, retest, and tripple test, vacuum leak test, yada.. now *thats* really “out there”. Being very mechanically any merit. However, I did give in, and did a quick clean of the plates from the ourside (without taking it apart). Nada. Few more weeks go by, and I decided to dive

What kind of engine does a 1989 Ford E-150 have?

I’ve got a 1989 Ford E-150 conversion van has developed a stalling problem. It has a V8 5.0 engine. When the problem first occurred I felt the engine stutter and pulled off the road and as I rolled to a stop it stalled out.

Why is my Ford F150 stalling at idle?

Recently we came across a 2005 Ford F150 with a 5.4 liter engine that was stalling at idle and had a surging condition at lower engine rpms. First thought was to pop the hood and look and listen for vacuum leaks which we did as this would be the most common cause of this idle and surging condition.

I’ve got a 1989 Ford E-150 conversion van has developed a stalling problem. It has a V8 5.0 engine. When the problem first occurred I felt the engine stutter and pulled off the road and as I rolled to a stop it stalled out.

Is there an IAC motor on a Ford F150?

There is no IAC motor on this set up. Instead, the PCM and 12 volt DC motor together are so accurate, the PCM can control the engine idle speed by holding the throttle plate open just enough to allow the right amount of air flow into the engine. When all goes well, the computer can maintain and control the engine idle speed as needed.

Why does my Ford F250 stall when driving down the road?

If this occurs in exactly the same place every time, it could be caused by radio interference. There are a number of other possible causes. Checking the easiest first, make sure the fuel filter is clear and unobstructed. check for any loose wires on the coils or any loose wires anywhere.If these prove negative, we will have to look further.

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Ruth Doyle