Question about Cars & Trucks
1985 ford f150 5.0l/302 efi
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Posted on Jan 02, 2017
SOURCE: 1985 Ford F-150
if engine won't crack - dead battery
if engine cranks but won't start - no fuel or spark
fuel reservoir is the fuel tank.
a fuel filter can be inside a housing...
Posted on Feb 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
it has a metal cap on it and has to be drilled out and ajusted by a licenced mechanic if your talking about the fuel mixture for the idel it's on the cabe near the body of the carburator.
Posted on May 28, 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
When you turn on the key, the fuel pump starts and runs for one second. Under normal circumstances this is long enough the bring the fuel pressure in the fuel rails up to spec. But it is not long enough once you run the fuel system dry. The easiest way to remedy this is to turn your key on and off six to eight times with 2~3secs interval. If there is no problem in the system, this will get the fuel pressure up in the rails and the engine will start.
Posted on May 01, 2010
Testimonial: "Thank You, I'll check pressure tomorrow. Seems when it was coming out threw release valve there was plenty, but..."
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