Runs and performs good all the time hard starting when warm is only problem recent fuel and air filters plugs and wires oxygen sensor not sure of pcv cel is on
Hey I solved this exact problem with my 1996 ford explorer XLT 4.0 ohv had no check engine light but it it would start and then sputter out it would only happen after I drove it and if I didn't let it sit for at least 20mins or long it do that would do that exact thing again but this problem should apply to all that have a purge valve if it is stuck open it will cause this exact problem from what I figured out is that my was stuck open and it was causing back pressure in the gas tank and because it was stuck open when you turn the car off it would push all of thoughts vapor back into you throttle body and in turn would choke it out until the u hit on the gas and burn it out or evaporated out of the top of the motor. I don't know if this is exactly what's happening but I went to bypass it so I connected the hose detectly to the throttle body and it did the same thing so I removed the hose completely and put plugs on both the vapor line and throttle body problems solved no more ruff idle or problems starting at all.
Do You Have An engine light on ?
sounds like a dirty or stuck EGR, could use a little better discription plz
SOURCE: truck starts, dies. truck runs good some days,bad the next
I had the same problem with My 1990 F150 300 6cylinder 4x4.....I cahnged all the same things you did, finally I sprayed a can of Gumout through the throttle body and it worked and ran great. Now I add fuel injector cleaner to the gas and a regular clean with the gumout and the problem has'nt come back. Good Luck to you and hope it works!
SOURCE: 1995 Ford Probe sputtering, dying. Won't start now.
to make sure the fuel pump is operating get in a quite place get in vehicle and turn ignition switch on position you should hear alittle buzz for about 2 seconds try this several times if no buzz is heard then the fuel pump is not running. check fuel pump relay in power box by switching relay with one of same type thare should be one of same type in the box if not then purchase one and try it. If the pump is ok then you know you have a firing problem. check to see if you have spark by taking one of the spark plugs out then hook spark plug wire to it lay it on engine and look for spark while someone turns the ignition switch as if trying to start car
SOURCE: 1996 Ford Explorer engine sputters
after you replaced the fuel pump did you replace the fuel filter also check out the EGR valve and all vacuum lines especially the one behind the throttle body
SOURCE: My 1998 ford mustang v6 3.8l .. is hard to start
So what you saying is it's hard to start cold right? Something in computer system not allowing excess fuel to injectors when cold. Probably sensor Get auto electrician to sort it out otherwise you end up replacing things that there is nothing wrong with They got the right gear
SOURCE: 1998 ford mustang 3.8 v6 starting problems.
it's your upper intake manifold gasket. it has a crack in it and needs to be replaced. your getting to much air and not enough gas. mine did the same thing.
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truck has 116000 miles
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