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-   -   Fuel pump not priming? (https://www.rx7club.com/3rd-generation-specific-1993-2002-16/fuel-pump-not-priming-1069893/)

incubuseva 08-19-14 10:37 AM

Fuel pump not priming?
 
I'm having fuel pump issues. I know it's not the pump itself. The car only runs when GND and F/P are jumped in the diagnostics box. So whatever that exactly bypasses is my problem. Does anyone know? Also I'm guessing that whatever makes the pump prime for a few seconds instead of stay on all the time is what's getting bypassed when you jump those wires.

Thanks.

incubuseva 08-25-14 09:38 PM

I checked both relays and the resistor. They all click and have good resistance. I'm banging. My head here. Any insight at all??

Johnny Kommavongsa 08-25-14 09:44 PM

Chk and see if the tach moves some when u try and start it. If it doesn't move it means ur prob not getting spark if no spark u prob have a cas wiring issue.


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