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R32 Fuel Pump

teteous

By teteous,
in Engines & Forced Induction

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teteous Apprentice

teteous

Posted
Posted

Fuel pump issue..

I started up my r32 yesterday (had been running fine previously) and it died straight away.

I can hear the fuel pump priming (I had wired it directly to 12v+ constant to test) and its pumping but I cannot hear fuel at the fuel reg as I could previously).

When it died I popped the boot and there was electrical smoke coming from the RHS of the boot (unsure where from).

The ignition switch to switch the pump on hasnt been working since buying the car (wiring is fine at the ecu end but once its in the boot there is no signal)..

Any ideas what may have blown that is allowing the pump to prime but not making it to the fuel reg/start..

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scotty nm35 Grand Master

scotty nm35

Posted
Posted

Just because the pump is making noise doesn't mean it's pumping fuel. Disconnect the return line and make sure there is fuel coming out for a start...

Do you happen to have an immobiliser stuffed under the dash?

I would say your FPCM is stuffed, I assume that was the smoke you saw. If you had caught most of the smoke in a safeway bag or similar you may have been able to inject it back into the controller, and get it working again. :P

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Ben C34 Grand Master

Ben C34

Posted
Posted

Just because the pump is making noise doesn't mean it's pumping fuel. Disconnect the return line and make sure there is fuel coming out for a start...

Do you happen to have an immobiliser stuffed under the dash?

I would say your FPCM is stuffed, I assume that was the smoke you saw. If you had caught most of the smoke in a safeway bag or similar you may have been able to inject it back into the controller, and get it working again. :P

this man knows his stuff. In all electronics there is magic smoke. If you let it out the part won't work anymore. it's a real secret to get the smoke back in if you are lucky enough to catch it.

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