Question about 1984 Ford F 150

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1984-85 Ford F-150

Fuel Injected 302 will not run once it gets to operating temperature. Will run fin on cold days or until it gets to operating temperature. Replaced the coolant temerature sensor, but did not help. COuld it be fuel pump problem? Thanks

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Hi ,yes it can be the fuel pump ,run a presure test wile hot ,bad fuel pumps also affects cooling,

Posted on Aug 31, 2008

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2 Answers

Truck dont have the power all the time


SOUNDS LIKE A FUEL FILTER IS GETTING PLUG REPLACE IT . IF THAT DOES NOT HELP CHECK THE FUEL PUMP, IT IS NOT GETTING ENOUGH FUEL

Apr 14, 2013 | 1985 Ford F150

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1983 LTD Crown Victori, 302, Throttle body carburetor, Will crank when cold but after it has been running you can turn it off. It will not run again until gas is manually dripped into engine.


Your model should be a throttle body injected engine.
So no float and no jets like a carb.
Have you checked fuel pressure before and after cranking ?
Are the injectors spraying fuel when you crank it ?
If not, do you have power and a ground signal for the injectors ?

Feb 16, 2013 | 1983 Ford LTD

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My 1984 Ford F-150 V8 302 choke is not working?


Your choke should have a spring at the bottom under a little cover with a rod coming up and connecting to the butterfly for the choke. Usually this get a little corroded and sticks, you need to clean the pieces so that they rotate freely and the rod will move up and down. It is adjusted on some models by bending the rod to make it longer or shorter. When you push down the gas pedal for the first time in the morning it should set the choke, test this by opening the throttle while its cold out, once the throttle is opened the choke should close, once the engine is running there is a vacuum operated linkage that should pull it back some, until the engine is warm. Again if this worked before, its probably dirty so a good cleaning is in order. Hope this helps, let me know

Dec 07, 2009 | 1984 Ford F 150

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I got a 1988 ford f-150 4x4 302 engine it idles good but when your driving it hesitate and stalls.


I had this problem also and it turned out to be related to the cold start system. cant remember the part name but it was causing the hesitation problem.

Oct 26, 2009 | 1988 Ford F 150

1 Answer

I have a 1989 Ford F-150 with a 302 engine fuel injected


Does that engine have a TPS (throttle position sensor)? If so, disconnect it from the engine and connect an ohmmeter to it, to check for jumps or bad spots at any position, from throttle closed to throttle wide open ... of course, with the engine OFF! There is a possibility that you have "slow" fuel injectors (meaning they may be gummed-up, so they react too slow to pulse width changes. But that could be cured by running a can of Seafoam through the tank, as long as the injectors are not damaged or leaking. Check the fuel pressure at the injector rails (if in fact it uses fuel injectors, which I don't actually know). It might have a carburetor, at that age. If so, how is the choke linkage ... perhaps stiff?

Apr 24, 2017 | 2003 Chevrolet Impala

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