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What makes a 1989 Ford F250 idle real rough?

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.

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.

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.

Why is my Chevy Suburban rough idle and stalling?

I ordered the part and when it came in I went to install it to find that the throttle body on my suburban did not have an IAC Valve on it (I have Pics). I climbed under the dash and put an adhesive spacer under the stop for the pedal and the problem is fixed for now. What is going with these vehicles? HELP!

Can a surburban have a rough idle on cold start?

Fry- I have an ’02 Surburban that has a rough idle on cold start. Typically, the temps have to be 40 degrees or below for this to occur. It never happens during the warm spring, summer and fall months.

Why does my car idle at 700 rpm?

There is an air filter which prevents debris from the air from getting into the chamber. But if this air filter is dirty or clogged, then there will be less clean air passing through it. This will cause the engine to idle rough. Your engine should normally get to around 700 RPM after you start the vehicle.

What’s the idle rate on a Chevy Tahoe?

The vehical also seems to idle low 550rpm down to 400 and lower on occasion. I have attempted to locate the idle air valve but it doesn’t seem to have one in the location in the manual (on throttle body by altinator). I can only find what I believe is the Throttle position sensor in that location.

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.

What can cause a Ford F250 engine to blow?

Knock/Detonation – Detonation can cause your F250’s engine to blow. This is certainly the worst case scenario. Don’t ignore an engine that isn’t running right. You’ll do way more damage in the long run by not fixing the problem now. A leaking injector can cause all of the problems listed above, as well as:

Why does my Ford F-150 sputter and misfire?

The specific coil pack for your truck should look similar to these. A clogged fuel filter in a Ford F-150 or F-250 truck will cause its engine to sputter and misfire. Replacing the filter should help sort the misfiring problem, but if misfiring persists it can also indicate a faulty fuel injector.

The specific coil pack for your truck should look similar to these. A clogged fuel filter in a Ford F-150 or F-250 truck will cause its engine to sputter and misfire. Replacing the filter should help sort the misfiring problem, but if misfiring persists it can also indicate a faulty fuel injector.

Why does my engine pop when I let off throttle?

Idle is 1500rpm. I never have popping or backfire during idle, cruising speeds or under accelleration. Only time I’m getting it is if I open up throttle to speed up rapidly, then let off throttle. Is this damaging to my engine? It’s like a rapid succession of pops/bangs… like 3 to 5 of them.. Or is this its normal sound?

How to find out why my engine is making popping noises?

1 Check for engine codes that may indicate the problem. 2 Run a good quality fuel injection cleaner. 3 Check your spark plugs. 4 Inspect your spark plug wires. 5 Test your engine compression.

Why does my car make a popping sound when it backfires?

A rhythmic popping sound which is not as prominent as lean under power backfires. The problem list below will give you an idea of what causes could be generating this condition. The engine’s ignition system is triggered by an electronic driver which signals the ignition coil when to fire.

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 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.

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.

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.

Why does my 1990 Ford F150 run rough?

This will happen for a few days then run great for a few days. When it is happening the truck still has plenty of power, runs fine during acceleration but dies shortly after I let off gas. When it is running bad it is running VERY rich (that is why its running rough I think) but I can’t figure out why its running rich.

What to do about intermittent idle on a 1990 Ford F150?

I installed a spacer kit under the speed control as per old Ford bulletin, checked fuel pressure (50psi) and cleaned injectors. I have read lots of forums and found people with this exact problem (on Fords) but no answers on what fixes it. The fact that it is intermittent and shows no codes is killing me. have the same problem?

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.

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.

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.

Is the IAC clogged or not adjusted properly?

Is the IAC clogged or not adjusted properly you could have also received a bad IAC from the parts store…check your fuel pressure could be a bad pump or pressure regulator valve You can’t post conmments that contain an email address. An expert that got 10 achievements. An expert that got 5 achievements.

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 kind of engine does a Ford F 250 XLT have?

Standard Engine – 6.2L SOHC 2-Valve Flex Fuel V8 Engine (F-250/350) Transmission – TorqShift ® Heavy-Duty 6-speed SelectShift-G ™ Automatic (F-250 Gas) Transmission – Torqshift ® Heavy-Duty 6-speed Selectshift ™ Automatic (F-250 Diesel, F-350, F-450) Upgraded Diesel Engine-Exhaust Braking (Diesel Engine Only)

Why is the fuel filter on my Ford truck misfiring?

Replacing the filter should help sort the misfiring problem, but if misfiring persists it can also indicate a faulty fuel injector. 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.

Why do I get a rough idle when I Turn Off the engine?

In direct injection engines, the fuel injector delivers fuel right into the cylinder; so the valves never get fuel spray. After shutdown, crankcase vapors rise to the top of the engine and settle on the intake valves; where they condense and harden. The result is, carbon buildup that can cause, a rough engine idle.

Why does my Ford F-150 not keep running?

Sounds like you’re fuel filter is not let enough fuel to get past to keep the vehicle running and it is running out of fuel than it set for awhile fuel fill the lines and you can start it again until the line empties again. 59 people found this helpful.

How to fix rough idle on 1996 F-150?

Took the fitting off of air tool, and screwed it in the end of the pipe. Lube the O-ring of an injector, 12-volt power supply (or battery). Set compressor to about 40-50PSI. All my injectors were just fine!

What’s the idle speed on a 1996 Ford truck?

When I tap the gas, 8 seconds, then eases down to normal idle of 700-800. Dang, I don’t remember it doing that. Played and played until it was at full operating temp, and it *still* does this.

Took the fitting off of air tool, and screwed it in the end of the pipe. Lube the O-ring of an injector, 12-volt power supply (or battery). Set compressor to about 40-50PSI. All my injectors were just fine!

When I tap the gas, 8 seconds, then eases down to normal idle of 700-800. Dang, I don’t remember it doing that. Played and played until it was at full operating temp, and it *still* does this.

This will happen for a few days then run great for a few days. When it is happening the truck still has plenty of power, runs fine during acceleration but dies shortly after I let off gas. When it is running bad it is running VERY rich (that is why its running rough I think) but I can’t figure out why its running rich.

What are the symptoms of engine running rich?

7 Symptoms of an Engine Running Rich 1 Check engine light. When the fuel to air ratio is high, you will have the check engine light coming on. 2 Fuel smell from exhaust. 3 Constantly refilling your gas tank. 4 Poor engine performance. 5 Black smoke from exhaust. 6 High carbon monoxide content. 7 Sooty spark plugs. …

What kind of motor does a 95 Ford F350 have?

SOLVED: I have a 95 Ford F350 with the 460 motor. It – Fixya I have a 95 Ford F350 with the 460 motor. It started running fine when cold but after it warms up it starts to run rough, lose power, and runs REAL rich. I’m only getting a little more than 2mpg.

What causes engine to run rough after warm up?

Most likely, the causes of rough engine idle crops from the basic functional components like direct fuel injectors, PCV valve, EGR valve, Oxygen sensors, vacuum leaks, air filter, and spark plugs or wire. Now, let’s fix the issue when engine runs rough after warm up in sequence and later troubleshoot the actual cause of it. 1.

What causes a Chevy 350 to backfire when idle?

If a main vacuum hose such as the power brake booster feed line has broken or failing off it will cause a lean backfire due to the additional air allowed into the engine intake manifold. This problem will be accompanied by high or low engine idle and a harder to push brake pedal than normal.

What causes a car choke to blow black smoke?

Loads up/blows black smoke after running a few minutes: The choke plate is not opening enough after the engine starts. This can be caused by a misadjusted pull-off, a worn diaphragm in the pull-off that has either torn or has swelled and is not moving enough, or a fast-idle speed that is set too low.

Why is my Ford F-250 losing power?

Use an OBD2 Tester to scan the codes. Diesel particulates in the exhaust are trapped by the Diesel Particulate Filter (DPF). Regeneration is the method by which exhaust temperatures are increased so the particulates are expelled. This can be a major source of loss of power and fuel economy.

What are the specs of a 1990 Ford F-250?

Detailed features and specs for the Used 1990 Ford F-250 including fuel economy, transmission, warranty, engine type, cylinders, drivetrain and more. Read reviews, browse our car inventory, and more. Detailed features and specs for the Used 1990 Ford F-250 including fuel economy, transmission, warranty, engine type, cylinders, drivetrain and more.

Is the Ford F-250 a good pickup truck?

The Ford F-250 pickup is a strong truck. It’s equipped with an eight-cylinder engine and comes in a variety of trim lines. But if it doesn’t start, it is just a strong truck you can’t use.

How to troubleshoot an F-250 truck that will not start?

Check the gas. Adding a few gallons. If there is an electrical issue with either the fuel gauge on the dashboard or in the sending unit, you will get a false reading on the fuel gauge though the tank may actually be empty. Attempt to start your F-250 again once you have added fuel.

What kind of engine does a 1991 Ford F250 have?

1991 f250: accelerating..times backfire pop in intake..Engine temp. I have a 1991 F250 5.8L engine. Problem is engine has lack of power stumbles on fast accelerating some times backfire pop in intake. Engine temp. rises to 200 deg. and you bring engine rpm to a idle i … read more

What kind of fuel injection does a Ford F250 use?

Vocational, Technical or Tra… 89 F250 5.8L Fuel Injection. will start but quickly dies, then re starts. Will run poorly but will run if I keep “feathering” the gas until it is warmed up. Then … read more

1991 f250: accelerating..times backfire pop in intake..Engine temp. I have a 1991 F250 5.8L engine. Problem is engine has lack of power stumbles on fast accelerating some times backfire pop in intake. Engine temp. rises to 200 deg. and you bring engine rpm to a idle i … read more

What should the idle speed be on a Ford truck?

Repeat Step 4 and Step 5 as many times as necessary until the engine is idling at your desired speed. Lower the hood support arm, close the hood and turn off the truck’s engine. Under normal conditions, the truck’s engine idle speed should be about 800 RPMs.

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

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

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.

Why does my Ford Super Duty have a rough idle?

What are common reasons my Ford F-250 Super Duty has 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.

What kind of engine does a 1990 Ford F250 have?

1990 F250 5.8L EFI 2WD Std cab 5-spd std trans – Approx 1 mo ago, the engine began to intermittently surge to1500-2000 RPM. Revs would continue … read more I have a 99 f250 with a 5.4 engine. The engine is difficult I have a 99 f250 with a 5.4 engine. The engine is difficult to start except the first start in the morning when it is cold.

1990 F250 5.8L EFI 2WD Std cab 5-spd std trans – Approx 1 mo ago, the engine began to intermittently surge to1500-2000 RPM. Revs would continue … read more I have a 99 f250 with a 5.4 engine. The engine is difficult I have a 99 f250 with a 5.4 engine. The engine is difficult to start except the first start in the morning when it is cold.

What to do if your car engine has rough idle?

If you own an old car and are experiencing rough idling, it is a good idea to clean the carburetor and check the hoses for damage or dirt buildup. Rough idling is a serious issue and should not be ignored for a long time. If the problem persists and is not fixed, it can lead to engine failure as well.

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.

Why does my Ford 6.8L V-10 stall at idle?

RE: Ford 6.8L E-series cutaway bus chassis with PennTex charging systems. Service Issue: 6.8L V-10 stalling out at idle or when decelerating to a stop with PX-5 alternator.

When does a car have a rough idle?

November 27, 2017. It’s easy to tell when your car has a rough idle: When you start the engine, it won’t run at a steady rate. It may almost stall, or it may run at varying RPMs without your putting your foot on the gas, or it may do both.

Why does my car idle at rough idle?

Most likely, the causes of rough engine idle crops from the basic functional components like direct fuel injectors, PCV valve, EGR valve, Oxygen sensors, vacuum leaks, air filter, and spark plugs or wire.

Is there a problem with my 1989 Ford F-150?

1989 Ford F-150 IDLE PROBLEM FOUND!! – 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.

What are common reasons my Ford F-250 Super Duty has 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.

What kind of power does a 95 Ford F350 get?

It started running fine when cold but after it warms up it starts to run rough, lose power, and runs REAL rich. I’m only getting a little more than 2mpg.

Why does my Ford F 250 engine bog down?

I have a 2000 Ford F-250 with a 5.4 liter engine. It gets very poor gas mileage and bogs down when you try to accelerate. I have had it looked at by a mechanic and I asked if it could be related to the catalytic converter or the fuel injector.

Why are my Ford F-Series engines not working?

Ford dealer replaced the first 3 stating “contaminated fuel” was the cause. The next 5 were done by private shops. They could not give a cause other that a bad pump and did not find contaminated fuel. They could not explain the Neutral Off/On temporary fix either.

What kind of transmission does a 5.9L Cummins have?

The 5.9L Cummins engine could be paired with either a manual or automatic transmission. The Getrag 5-speed manual transmission is the ideal partner to this Cummins engine. It holds up to extra horsepower the best, and with the addition of a performance clutch, it can help make some big numbers.

Why are all the gauges on my Ford F-250 not working?

My odometer, speedometer, fuel, tach, trip, and all of the gauges quit working. I’ve checked all of the fuses, and cleaned the battery terminal. What else could cause this problem? The cluster may have failed.

Why is the oil gauge not working on my 1992 Ford F150?

I’m wondering though if the 92 isn’t like my 96. The gauges aren’t true gauges, they are dummy lights with a pointing stick. When everything is O.K., they point to one spot, when its not and smoke is coming out from under the hood, they point at the OOPS sign. 56panelford likes this. Fuses or loose plug? Not familiar enough with the 92.

My odometer, speedometer, fuel, tach, trip, and all of the gauges quit working. I’ve checked all of the fuses, and cleaned the battery terminal. What else could cause this problem? The cluster may have failed.

I’m wondering though if the 92 isn’t like my 96. The gauges aren’t true gauges, they are dummy lights with a pointing stick. When everything is O.K., they point to one spot, when its not and smoke is coming out from under the hood, they point at the OOPS sign. 56panelford likes this. Fuses or loose plug? Not familiar enough with the 92.

Is the 1989 Ford F-250 a good truck?

1989 Ford F-250 7.5L …… Good Truck??? Automatic. I see that it’s EFI…don’t know if that’s good or bad in a vehicle so old. Were these worthy trucks; or just too old to mess with? electronic engine management and general reliabilty and running quality.

1989 Ford F-150 IDLE PROBLEM FOUND!! – 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.

What are the symptoms of a bad idle air control valve?

Below are the top 5 symptoms of a bad idle air control valve which you will easily notice. 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.

Why did my 2005 Ford F-250 Super Duty engine die?

2005 F250 Super Duty Diesel. I’ve had all routine maintenance done on it since day one and never had a lick of trouble….last week while driving, it started to hesitate, then you could feel like a surge or acceleration in the engine, but it wasn’t from me giving it anymore gas, then it died, i restarted the engine and kept going.

Why is my Ford F-250 hesitant to start?

Hesitation, or a lack of throttle response, is a symptom with many causes. We list the common ones for gasoline and diesel Ford F-250’s below. This article applies to the Ford F-250, F-350 Super Duty (2004-2014).

Why does my Ford F-250 have power loss?

This article applies to the Ford F-250, F-350 Super Duty (2004-2014). Hesitation and power loss are signs that something is wrong, and if left unfixed, can get worse. Usually, regular maintenance will prevent any problems, but like anything else sometimes things slip by or just fail prematurely.

What are the signs of a Ford F-250?

We list the common ones for gasoline and diesel Ford F-250’s below. This article applies to the Ford F-250, F-350 Super Duty (2004-2014). Hesitation and power loss are signs that something is wrong, and if left unfixed, can get worse.

What to do if Ford 351 engine surges at low rpm?

Hi, i want you to clean the air intake valve and idle speed control valve, follow the procedure below.

Hi, i want you to clean the air intake valve and idle speed control valve, follow the procedure below.

Why does my Ford F-250 have a leak?

Figure 4. Edge Performance Tuner. If the hesitation is occurring when building boost, you may have a leaky up-pipe. The easiest way to check is to look for soot on it; any soot is a sign there’s a leak somewhere.

Why does my Ford truck have soot in it?

A clogged diesel particulate filter (DPF) can cause soot to back up in the motor, which can lead to very expensive repairs. It’s always important to keep it clean to keep the soot from flowing through the system.

Why does my car engine run rough while idling?

When your car engine runs as it should, everything should be smooth without any noise. When any number of things goes wrong, the engine can start running rough, especially while idling. By understanding the causes of a car engine that has a rough idle, you can resolve the issue easily.

Vocational, Technical or Tra… 89 F250 5.8L Fuel Injection. will start but quickly dies, then re starts. Will run poorly but will run if I keep “feathering” the gas until it is warmed up. Then … read more

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