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

  • Tiny
  • miky mike
  • 1987 GMC Truck

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.

Saturday, December 3rd, 2011 AT 12:01 AM

3 Answers

  • Tiny
  • rasmataz
  • Member

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

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Saturday, December 3rd, 2011 AT 12:16 AM
  • Tiny
  • miky mike
  • Member

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

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Saturday, December 3rd, 2011 AT 7:35 PM
  • Tiny
  • rasmataz
  • Member

Sounds like the computer injector driver

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Sunday, December 4th, 2011 AT 12:05 AM

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