Where is the fuel pump relay located on a 89 Ford F150?
Where is the fuel pump relay located on a 89 Ford F150?
location fuel pump relay 1988 f150. Should be next to the air filter box, on the drivers side, under a plastic casing. The fuel pump is also on the drivers side frame rail, near the transmission crossmember. The fuel filter is between the fuel tank and the fuel pump.
Why is my 1989 Ford F150 not getting gas?
– CarGurus 1989 F150 Fuel problems. I have a 1989 Ford F150 with the 5.0 fuel injected. Its not getting gas and I don’t know where the problem begins.
Are there any injectors in a Ford F150?
The truck has correct fuel pressure, 12v to the injectors, steady spark, and will start with a shot of ether. I just knew it was the ECM and I changed it with a good used one.
Why does my Ford F150 have no injector pulse?
Turns out if the sensor goes bad and the computer thinks the throttle is wide open it shuts off the injectors. The injectors still receive power but wont pulse. It defaults to this so the engine doesn’t damage itself. The fuel pressure is good at around 45 psi I believe it was.
What causes a Ford F-150 fuel pump to fail?
Several fords that I have worked with fail at the relay controlling the fuel pumps, fore and aft. (You have two pumps, one on the rail and one in the fuel tank.) If the pump powers up, replace both the relay and the connector. Corrosion will cause the relay to fail. 35 people found this helpful. Where are these wires at? And what colors are they?
The truck has correct fuel pressure, 12v to the injectors, steady spark, and will start with a shot of ether. I just knew it was the ECM and I changed it with a good used one.
Why did my 1989 F150 have a fuel problem?
I have a 89 Ford F150 XLT Lariat 8 cyl 302 that had a fuel problem. It turned out to be caused when the butterfly valve got stuck in the middle. The butterfly valve has gas lines coming from both gas tanks into just one gas line that gos to the high pressure fuel pump on the rail along the drivers side door.
Turns out if the sensor goes bad and the computer thinks the throttle is wide open it shuts off the injectors. The injectors still receive power but wont pulse. It defaults to this so the engine doesn’t damage itself. The fuel pressure is good at around 45 psi I believe it was.
Why did my 1986 Ford F150 die on Me?
I just overcame a 1986 5.0 efi f150 randomly dying on me. The fuel pump relay (driver side firewall under the hood hinge) powered up for 2 seconds at key to run position, but the high pressure fuel pump did not run at all, and there was no fuel at the fuel rail (used a modified toothpick to press the schraeder valve open).
