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Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

Fuel relay

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9 months 3 weeks ago #67900 by jayem
Fuel relay was created by jayem
I have a 1988 Ford F150 EFI
I was having issues with it, shutting off while 
driving when I came to a stop.
we found out I was losing spark, and that the fuel relay wasn’t getting power, causing it to have like a running out of gas type symptom. We changed the Relay with an aftermarket, and it ran fine for a while then  it acted up again. We then put in the best one we could find. And it did the same thing again. Almost every fuel system part has been changed and everything that has to do with spark. anybody have an idea what this could be. On a sidenote, we did change a distributor because it kept going out of timing. I believe these trucks have a timing gear not a chain. Could a bad timing
gear / chain have anything to do with the symptoms listed above
thanks in advance

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9 months 3 weeks ago #67901 by jayem
Replied by jayem on topic Fuel relay
One thing I forgot to mention was it is a 4.9 l engine

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9 months 3 weeks ago #68039 by Lupe
Replied by Lupe on topic Fuel relay
sounds like a wiring problem under your relay , they are known for that . try tapping the relay when it will not start. Good luck

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