Question about 1992 Ford F150 SuperCab
Changed fuel pump, fuel filter, and fuel relay engine cranks but will not start
I believe that motor still uses a distributor cap, rotor, and seperate coil...it has to be no spark...inspect the cap and rotor for hairline cracks...remove the coil, (Connected to center wire on distributor cap) and have tested...Hope this helps.
Posted on Jun 01, 2012
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Posted on Jan 02, 2017
SOURCE: 2001 Ford Expedition won't start
start with the fuel pump as it is the easiest. turn the key on as tho you were going to start it so the dash trouble lights come on. leave it like that and go to the rear of the vehicle and listen for a buzzing or whirring noise. sometimes taking the gas cap off and listening helps
Posted on Sep 07, 2009
Same problem with my 85 F-150 5.0 EFI---turned out that the fuel pump relay under the hood was teriffically corroded on the inside (I opened up the relay to look inside). When I checked the voltage at the fuel pump it would show 3.5-6 volts instead of 12 volts.
I was thinking fuel blockage or perhaps failure of the in-tank pumps. Sometimes the truck would start and run, othertimes it would neither start nor run. Typically, if running it would stay running until turned off (where the relay had to break).
Changing the green fuel pump relay fixed the problem--12 volts now at the pump and no reoccurance.
Good luck--let me know if this fixed your F-150.
Posted on Sep 22, 2009
i actually have a 1985 302 efi... there are 2 pumps one one the rail right under drivers door and one in the tank.. there are also two filters... one just behind the pump one the rail.. its actually inside a canister that you open with a oil filter wrench then it has a paper element inside..then there is a inline filter that is actually part of the high pressure line the hose is about 3 feet long and runs from your front pump up to the fuel rail agaist the firewall...this one is really hard to find (Buy) good luck wish i hade a carb
Posted on May 25, 2009
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