IT WILL START THOUGH IF I POUR GAS DIRECTLY DOWN THE THROTTLE BODY.

1987 GMC Truck

Tiny

miky mike

December, 3, 2011 AT 12:01 AM

I have an 87 GMC with a motor out of a 1990 chevy and the fuel pump wont kick on with the key and spray out the injectors. I tried replacing the ignition module, fuel pump relay and the computer, but it will pop ecm fuses sometimes.

3 Answers

Tiny

rasmataz

December, 3, 2011 AT 12:16 AM

Check the injectors if its pulsing-by using a noid lite

Tiny

miky mike

December, 3, 2011 AT 7:35 PM

I tried the nod lite test. They dont pulse but I have 12 volt to them.

Tiny

rasmataz

December, 4, 2011 AT 12:05 AM

Sounds like the computer injector driver

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