Why does my Ford F-150 not start when hot?

This sounds like the ignition control module. When they start to go bad the engine heat will affect them as to cause a no start condition when it is heated up. You could take it out and bring it to an auto parts store to have it tested. But I’m not sure how it would test because it would be cold.

When did engine not to start when hot start?

Engine Not To Start When Hot. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Engine Not To Start When Hot. This topic contains 13 replies, has 6 voices, and was last updated by EricTheCarGuy 7 years, 6 months ago.

Why is my Honda engine hard to start?

But the main relay most often fails when the weather is really hot, while the other possible causes will exhibit the symptom nearly all the time. Although you might have a hard start now and then with a faulty main relay, it is usually not enough to cause you much concern—you can usually get the engine started despite the momentary difficulty.

Why does my truck shut down when it gets hot?

Same exact problem on my 95 f-150 4.9L. Runs great first start but after 2 miles or if very hot outside, it heaves and misses and eventually shuts down. Starts after sitting for 45 minutes again. I did replace rotor, cap wires plugs and coolant temp sensor as well as the starter. No fix.

Why does my Ford F150 300 not start?

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 33 people found this helpful.

What to do when your Honda engine won’t start?

Let the engine run for about 20 minutes with the hood closed. Remove the wire from the throttle linkage and turn the engine off. Let the engine sit for five to ten minutes, then try to restart the engine several times. If the engine doesn’t start, turn the key on.

Why does my Ford F-150 shut down after 2 miles?

Why is the fuel pump on my Ford F150 not working?

The Original Ford pump failed. Upon discussion with one Ford Mechanic, the Ford fuel pump is inferior, in a nutshell and he replaces them all the time. The New replacement fuel pump from Ford, failed too, meaning it is a piece of crap, after 900 miles.

Why is my Ford F350 not starting after driving?

If your Ford f150, f250, or F350 is not starting after driving for a while, but the battery is still fine, it could because a heat shield is missing. Watch the video to find out which one. Once it sits for a while and cools off it will start ok.

What does it mean when your Ford truck is overheating?

If you are ever driving your Ford F-150 truck, and you notice the temperature gauge rising up, there is no need to freak out. A temperature gauge rising means something is wrong with your cooling system, and a defective cooling system could mean your engine is in the process of overheating.

What causes a Ford F150 engine to stall?

Specifically, a faulty harness wiring Ford pointed out caused the vehicular stalling, hesitation, and failure to start. Other causes of this problem include a stuck idle air control valve that makes the engine crank, stall or fails to start altogether.

What to do if your Ford truck won’t start?

33 people found this helpful. Go get a spark tester at the local auto parts store for about twenty bucks and test each plug wire. It’s simple. If the tester flickers when you are trying to start it (check all wires) then your problem is elsewhere. If no flickering begin checking backward to find the cause of no voltage.

What to do if your truck wont start when the engine is warm?

Get a spray water bottle, and wet the starter motor down when its hot and wont start, if it fires up, then you have an answer, or always carry the bottle full of water, worked for my brother till he bought a high temp starter, and insulated it as well. “So long and thanks for all the fish!” I would check the battery.

Why does my car starter not crank when it’s Hot?

If your starter easily cranks a cold engine, but “drags” or cranks very slowly when hot, there may be a “heat soak” problem. Before you condemn the starter as bad, you should perform a system diagnosis of the battery, cables and starter.

What kind of problems do I have with my Ford F-150?

It’s this task that 12 th -gen F-150 head gaskets struggled with. After driving 160,000 miles or so, F-150 owners would start to smell burnt oil. Oil had begun leaking into the engine and onto the starter from the passenger side.

Why does my Ford F-150 run like crap?

Started running like crap, no lights come in till you get to high speeds (70+mph) then it acts like it’s got nothing left to push harder, then the check engine light comes on and blinks (code reader says cylinder 1 severe misfire). I just changed all spark plugs and coil packs and cylinder 1 injector and it’s like it did absolutely nothing..

Is the fuel pump hot on a F150?

An expert that has 1 follower. A rookie expert who has answered 20 questions on their first day. Re: My ford f150 runs good till it warms up then it… You can’t post conmments that contain an email address. Im trying to figure out what color is hot on this pigtail for the fuel pump.

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 does my Ford F-150 start slow?

Vapor lock wouldn’t cause a slow starting speed either. Chances are good that It is a bad starter. 60 people found this helpful. Will the vehicle keep running once started? Or does it kill on the road then only restart after it cools?

Why does my Ford truck not start when its hot?

I have an 89 f 250 mine wont restart when hot. I can move the distributer and it will start again. So weird. When its hot it sounds like the battery is dead and wont turn over till I retard the timing. 83 people found this helpful.

What are the common issues with the Ford F150?

But what are some of the common issues with the Ford F150? Ford F150 issues depend on the year of the F150. The most common issues tend to be with the ignition coil, head gasket, spark plugs, and transmission malfunctions. Many of them are easy fixes but could cost lots of money.

Are there any problems with the Ford EcoBoost F-150?

Common Problems with the EcoBoost F-150 The EcoBoost F-150 is built Ford tough, is very well put together, and fairly low maintenance. The only real issue with the EcoBoost F-150 is with the direct injection in the engine. Direct fuel injection can cause excess carbon to build up on the valves which can harm engine performance.

Is the Ford F150 the truck for You?

The Ford F150 is the truck for anyone who needs to carry big loads or traverse over rough terrain. You would think that would mean it’s not prone to little issues here and there, but the opposite is true! For someone who needs to drive on tough terrain.

Is there a problem with my Ford F150?

I searched on here and found that some 2010’s were having the same issue but none seemed to have taken it to the dealer to see what they say and those threads were almost 2 years old. I am interested to see if the problem is still reoccuring on the 2011’s and newer.

What kind of AC does an F150 have?

My 2002 was ice cold. Not happy. ice cold AC here. 2012 fx4 here and ice cold with the ac seats on….

Why does my car not start when I heat it up?

When they start to go bad the engine heat will affect them as to cause a no start condition when it is heated up. You could take it out and bring it to an auto parts store to have it tested.

Is it possible for an F-150 to overheat?

Overheating problems can potentially occur in any F-150 but are more likely to occur in older and less maintained versions of the truck. To function correctly, the engine temperature is controlled by water or chemical coolant. If the components of that process breakdown, overheating would occur.

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 is my car engine hard to crank over when hot?

The starter (which is warm anyway from the engine heat) no gets even more heat from the exhaust (usually headers but sometime the “Y” pipe). The hotter the starter the higher the electrical resistance = starter won’t run as fast as it should.

Why does my Ford F150 engine not start?

This just means that the engine doesn’t move when you turn the key. The second way that your F150 won’t start is when the engine turns when you engage the starter, but it won’t fire and run on its own. When the engine isn’t turning over at all, that’s a bit easier to diagnose than when it is cranking but not firing.

Why does my truck won’t start after it get hot?

It is a 95 F150 with 5.0. I am having the problem you guys are talking about and trying to fix it. I’m the greatest when it comes to working on vehicles but I am not scared to do what ever because I love the learning experience. Today it started ran great got hot and died. Wouldn’t start back up.

Why does my Ford F-150 turn over when warmed up?

If the starter turns easily when warm, but doesn’t want to start, replace the O2 sensor. It is most likely the problem. I’m having trouble with my 87 F.I. 300 turning over when gets warmed up. Turns over, but laboriously at best. Like a boost of compression , yeah, right.

How does the heater on a Ford F150 work?

F150 No Heat: How the Heater Works. At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers.

When they start to go bad the engine heat will affect them as to cause a no start condition when it is heated up. You could take it out and bring it to an auto parts store to have it tested.

What to do if your car heater is not working?

First you need to make sure the gauge and temp sensor are working. If all the electrical stuff checks out, id start with making sure the coolant is full, then make sure there are no air bubbles in the system. When bleeding the system turn the heater on full blast to force any air out of the heater core.

What kind of heater does a 1994 F150 have?

Discussion in ‘ 1992 – 1996 Ford F150, F250 and F350 Truck Forum ‘ started by oldie63, Jan 25, 2017 . hello FTZ, im new here and am looking for some help with my 1994 f150 xl.

What to do if your Ford F150 heater is not working?

To test it, warm up the engine and pinch the bypass closed (wrap a towel around the hose if you use locking pliers to avoid cutting it) which forces coolant through the heater core. Check to see if you have heat…if so then put a valve in the bypass hose and close it off during the winter.

What to do if your Ford F150 wont start?

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When did the Ford F-150 start to idle?

Raybuck Auto Body Parts warns that 12 th -gen F-150s (2009-2014) often start to run and idle roughly. This was particularly problematic for the 2010 model year, which is on our list of F-150 model years to avoid. The rough idle wasn’t due to the turbocharged EcoBoost engine—that didn’t come until 2011.

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.

What causes a car to have a hard start when cold?

If you have a Ford vehicle and find that has a hard start when cold condition, here are the common things to check. The issue appears as an engine that will crank but has a hard time firing up. Once it does start, it doesn’t run well. It may run extremely rich, which you will notice with rough idle and poor MPG.

Why does my Ford truck not start when the engine is warm?

If not starting means that it would turn over but not fire, the TFI module is a likely culprit. The TFI modules are famous for causing this problem and there have been lawsuits filed against Ford for this very problem. They get hot and quit working correctly.

What makes a Ford 4.9L engine not start?

Without spark, the engine will crank but not start. Ignition control module (ICM). Depending on the year of your specific Ford, it’ll have a inner-fender mounted ignition control module or a distributor mounted ignition control module.

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.

What kind of battery do I need for my Ford F150?

Following are some of the quality features every battery should possess for supplying external power to the Ford F150 series of pickup trucks. The Group size indicates the length, breadth, and height of the battery. You need this information to complete the purchase.

What are cold cranking amps on Ford F150?

Cold Cranking Amps are the number of amperes a battery at 0 degrees Fahrenheit can discharge for 30 seconds whilst sustaining 1.2 volts per cell. It is important to ensure high CCA ratings for the battery to prevent the possibility of abrupt discharging in extremely cold weather.

Why is coolant blowing out of my Ford F-150?

I have my 99 f-150 4×4 with the 5.4 when the cold weather over heats did over flow cap the thermostat 3 times and then out of blue back to square one. Even bought k&w headfix an gasket repair an work for 3 months.

Can a Ford F-150 start and run?

Truck will start and run as long as you want, but does have hesitation when hitting gas. Sounds fine when pressing on gas peddle gently though. Turn off truck, try to restart, engine just cranks. Try to start with gas peddle to floor, engine starts up very poorly (sputtering). I keep holding gas and the sputtering finally clears up.

What was the problem with the 1993 Ford F-150?

Ford F-150 1993 Starts, runs. Turn off, Won’t restart fuel problem? – YouTube Ford F-150 1993 Starts, runs. Turn off, Won’t restart fuel problem?

Why is my Ford F-150 engine hard to start?

On hot days hard to start. It finally starts but you think this is the time it won’t start. The engine sounds like someone is blocking the tailpipe–like its choking and coughing. The engine light comes on.No one has been able to fix it. By the way, it has 2 fuel tanks and is 4×4. I have been told to open both fuel caps to help start it.

Why does my car run hard when it’s cold?

Once it does start, it doesn’t run well. 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. This Ford shop manual says these kinds of hard start when cold problem can be caused by:

Why does my truck not start in cold weather?

Possibly you battery is no good go and get it checked some time batterys say there good but once you but some stress on it ,usllaly it fails right in front of ya ,, or maybe tis the truck has a bad ground by the starter you might want to check that too let me know what happens You can’t post conmments that contain an email address.

What happens when the battery goes out on a Ford F-150?

A battery that is only discharged does not have to be replaced with a new one. If the Ford F-150’s alternator is defective, the battery is no longer charged when driving. This is usually visible through the permanently illuminated battery symbol on the dashboard. Usually this display goes out immediately after starting.

Why does my Ford F150 not start in the winter?

Extreme weather can be very difficult on your Ford F150. If there is an issue it often make itself known when conditions are at their worst. When it’s extremely hot. it’s the cooling system that is put to the test. In the winter, the vehicle won’t start when it is cold.

Why is my Ford F150 not showing up on YouTube?

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Why is my car engine not turning over?

There are only a few parts in your starting system, and a little troubleshooting can help you figure out why it’s not working. Sometimes your engine does turn over but will not actually fire. The culprits in this instance can include everything from distributors to coils, fuel pumps to fuel filters, spark plugs to plug wires.

What makes a Ford no crank no start?

You’ll see that the system consists of a fuse, ignition switch, starter relay, transmission range selector (neutral safety switch on for an automatic transmission) or a start inhibit switch for a manual transmission, and a ground control circuit provided by the PCM. The PCM gets involved here because of the ford passive anti-theft system (PATS).

Why does my Ford F-150 have no heat?

Several issues have been reported but most often the issue revolves around the failure of one of the blend air door actuators. Anytime the heater stops working it’s best to check the basics too, like the coolant level, thermostat, and coolant flow through the heater core.

Is the Ford F-150 full of antifreeze?

It’s full of antifreeze, thermostat works fine & system holds pressure. It was ½ gal. low on antifreeze when serviced before winter. All the hoses are hot & the guage moves showing center between H & C after warming up.

Why does my Ford F-150 stall during acceleration?

The mass air flow sensor sends information about the amount of air entering your engine to the ECU, if it’s dirty, it will not function correctly and can cause your engine to stall, hesitate or even jerk during acceleration. Figure 5. Mass Air Flow Sensor.

Why does my Ford F150 shake when accelerating?

This is going to be very concerning for anybody, but the good news is that most of the time, if your ford f150 shudders on acceleration, you can fix it. Why does my Ford F150 shake when accelerating?

What kind of truck is 2003 Ford F-150?

I have the same issue …even tried to put limited slip additive in rear end… your description is exactly what my same year truck does. 2003 F-150 extended cab 4X4

This is going to be very concerning for anybody, but the good news is that most of the time, if your ford f150 shudders on acceleration, you can fix it. Why does my Ford F150 shake when accelerating?

Why does my 2.7L engine not start when hot?

I honestly have this exact same problem with my 2.7L. I can guarantee that something is becoming heat soaked when the engine sits for 5-25mins after being at operating temp.

Why does my Ford pick up not start?

Alright, let’s get started with the next subheading. The most important thing that you need to keep in mind, when you’re faced with your Ford vehicle cranking but not starting is that the engine needs air, fuel and spark to start. If any one of these is missing from the mix, your 4.6l, 5.4L Ford pick up (car, van, or SUV) will not start.

What makes a 2000 F-150 engine start but not run?

2000 F-150 5.4. Engine starts then dies when you start it cold. It will run if I touch the gas . I have checked and cleaned the EGR valve, replaced EGR selinoid, replaced EGR position-pressure sensor, … read more

Is there a problem with my 2000 F-150?

We have a 2000 F-150 Super crew. Just recently we have had a problem with the idle. It won’t stay running, even when it warm up. We have to keep a little bit of gas on even at the lights and stop sign … read more 2000 F-150: 5.4. Engine starts then dies when you start it cold. 2000 F-150 5.4. Engine starts then dies when you start it cold.

Why is my a / C not blowing cold on my F150?

Conclusion: A/C Not Blowing Cold Ford F150 Most of the time, when your F150’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem. We recommend having a professional recharge your A/C if it does end up being a coolant issue. If you put too much coolant into the system, you can really do some damage.

Just recently we have had a problem with the idle. It won’t stay running, even when it warm up. We have to keep a little bit of gas on even at the lights and stop sign … read more 2000 F-150: 5.4. Engine starts then dies when you start it cold. 2000 F-150 5.4. Engine starts then dies when you start it cold. It will run if I touch the gas .

Is the Ford F-150 bad when it rains?

My Ford F-150which is a 1999 model has a bad miss that gets really bad when it rains. I’ve replaced the coil packs and plugs which helped for a … read more

What should I do if my Ford F-150 wont start?

With petrol engines on F-150, it is usually enough to fill up. With older diesel engines it may be necessary to bleed the fuel system beforehand. If the tank is empty and there is a puddle under the car, pipes and hoses should be checked immediately for leaks.

Why did my Ford F-150 die last weekend?

The fact that depressing the pedal to get it to start could be an IAC fault or as mentioned, the possibility of flooding due to a leak. Generally speaking, when a flooded condition exists the engine usually runs a bit ragged upon startup. Update. Last weekend it died once again and I was able to get it to run on starting fluid.

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 Ford F-150 not start when hot?