f150 wont start when warm

A few months ago occasionally it wouldnt start when warm after turning off the engine for a short stop 5-10 mins. When engine is hot immediately after sutting down it statrs immediately.

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Up to 25 cash back 1996 Ford F150 49 Hard to start when warm.

. 1991 ford f150 throttle postion sensor 58liter v8 if this is not put on correctly or somehow moved out of position or not working would this lead to not starting and high rpm 2000 idle. Let it sit a while she starts and runs like a champ. After a half hour or so presumably when it is cold again it starts right up and runs fine.

When the engine is cool it cranks right up. Up to 25 cash back 2003 F-150 wont start when engine is warm. Throttle postionv8high rpmprimed and idle down.

Replaced fuel pump - gets fuel Replaced wires and plugs Replaced ignition module Replaced ignition coil Replaced battery cables Replaced fuel line and insulated it - carb gets fuel Replaced ported vacuum switch on thermostat housing. Somebody somewhere in your town has the right equipment to correctly diagnose your situation. Far and away the number one reason that your F150 wont start in the cold is the battery.

Insulating the starter motor with the heat shield type material available at most parts houses will solve your problem. Wont Start Cold Causes. Its an Interstate battery only 5 years old.

Once you drive it for twenty thirty minutes it will not start. Maybe starter gets hot. I can wait an hour and it will start but after running.

1996 ford wont start when hot 1 Answer. Check to see i the fuel pump relay. If you have headers or a bad exhaust leak this will sometimes cause the trouble youre describing.

The engine cranks and all the warning lights seem ok but it wont start. Have you heard of the ignition module causing this problem by advancing the timing when its warm. Up to 25 cash back 1991 ford f150.

1992 Ford Bronco 351W. 2009 Ford F150 Four Wheel Drive Automatic. The truck will run for about 5 minutes in warm weather longer in cold weather and then quit.

Well it never just cranks over easily but when its warm sometimes it barely starts. -Run pretty much ok until shut off and you try to start it again before e. Cranks OK but sounds like it is not getting fuel or maybe not firing.

Cold cranking amps are the batteries ability to start turn the engine over when it is cold. -Start a little hard when engine was cold but after a few seconds run and idle fine. Hard to start when engine warm.

Had a new fuel pump installed on my 1986 F150 Lariat. Now barely runs 2 Answers. I have tried pushing the accelerator down and releasing during the crank without.

It will start fine cold when i start it again it will sputter if i give it some gas it starts but when i start it again it wont start. Let it sit for twenty minutes it starts. Has been a great truck never any problems in its 100000 miles until now.

Please help I LOVE THIS TRUCKgonna. Everything else appears to be working fine when the engine is hot power windows lights etc. If it was a weak battery I would think that it would not start at all.

As soon as the truck warms up it stalls and it will not start untill its cooled down Lets go down the list. It has a new alternator and the battery is good. A battery has two different ratings cranking amps and cold cranking amps.

The problem with this truck is that it turns over for 4 seconds or longer before starting up when it is hot. We have talked to the dealer about it and they said that that is just the way it is and there is nothing wrong but two other family members have the same truck and theirs dont do this. Any time I try to start it when its warm even if I shut it off it will turn over and not fire but when I hold the gas down it.

I have a 1996 f150 300 inline 6 automatic trans. Then hes going to tell you why it wont start. Truck used to do for several years.

Seems to be similar symtoms to older generation Hot Box issue. 96 F-150 wont start. 1998 Ford F-150.

1996 Ford F150 49L - Used to start poorly when hot. 87 F-150 4WD wont run when hot. When engine is cold it starts immediately.

It has always been this way. It can sit for weeks and still start up. I have P0171 and P0232 codes that have popped.

It just wont start until it cools down. If you try to start before it cools the engine turns slow. Starter works fine and cranks engine but it takes extended cranking approx 1 minuite or more for engine to start.

This occurs only when engine is warm. Its not the battery new or the alternator 143v I thought it may be the starter wearing down but Im not sure. Check the fuel pressure regulator for leaks it may divert the fuel when warmed upcheck all vacuum hoses for cracks if you think its bad change it.

If not starting means the engine wont turn over once the engine is hot your starter is overheating. It runs fine when I first start it when its cold but after while when it warms up it hesitates when I hit the gas and most of the time itll die. 2 days ago1997 - 2003 Ford F150 - Wont Start When Its Warm Outside - I have a 2002 F150 54L that will not start when the temperature is 55F outside.

When this person hooks up to your truck and duplicates your no start situation hes going to scroll through the data and say Here it is. During cool down from about 5 minuites after stopping untill completely. I have an 87 F150 302 fule injected.

Itll start just fine when its cold outside. If they say no hang up and try somebody else. Turn key on and wait 30 secthen crank and see what happensfuel pump may be getting hotif you can check fuel pressure at the rail for at least 35 psiyou can do this by removing the schrader valve and.

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