Truck problems
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2nd Gear
Joined: May 2023
Posts: 3
Likes: 1
Truck problems
Got a 1995 f150 with 302 injectors are not pumping, replaced fuel tank, pump, and filter was could cause the injectors not spraying, took a few off and they look clean and advise is greatly appreciated thanks
Hotshot
Joined: Jun 2015
Posts: 12,771
Likes: 2,420
Are you saying you replaced the pump because the injectors aren’t spraying fuel? The computer tells the injectors to turn on so replacing the pump wouldn’t have fixed that problem. Was the truck sitting for a while or did this happen on a truck that was being used regularly? Do you have spark? Have you checked for key on engine off (KOEO) fault codes? Have you checked fuel pressure with a mechanical gauge?
Thread Starter
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2nd Gear
Joined: May 2023
Posts: 3
Likes: 1
yes truck was sitting for 10 yrs and fuel tank was rusted so we just replaced everything and blew out the lines and yes I have spark and no haven’t checked for codes yet I ordered a code reader but waiting for it to come in. Was going to see if anyone else had a better idea that I could run through till my code reader came in
Are you saying you replaced the pump because the injectors aren’t spraying fuel? The computer tells the injectors to turn on so replacing the pump wouldn’t have fixed that problem. Was the truck sitting for a while or did this happen on a truck that was being used regularly? Do you have spark? Have you checked for key on engine off (KOEO) fault codes? Have you checked fuel pressure with a mechanical gauge?
Hotshot
Joined: Jul 2020
Posts: 10,270
Likes: 2,565
From: Near Salt Lake City
Yes, and or the contents of the tank plugging up the sock
Take a fuel sample
Test volume and pressure from the pump
I suspect no problems because you replaced the tank but the test is needed
I tape my fuel pressure gauge to the windshield during days of testing sometimes
That is one way of diagnosing intermittent relay or wiring faults
You can just use a test light on the injectors and forgo the fancy noid light
Check your VREF (the 5 volt reference the computer supplies to a few sensors like the TP sensor)
Good luck
Take a fuel sample
Test volume and pressure from the pump
I suspect no problems because you replaced the tank but the test is needed
I tape my fuel pressure gauge to the windshield during days of testing sometimes
That is one way of diagnosing intermittent relay or wiring faults
You can just use a test light on the injectors and forgo the fancy noid light
Check your VREF (the 5 volt reference the computer supplies to a few sensors like the TP sensor)
Good luck
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