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It will start though if I pour gas directly down the throttle body.

Tiny
MIKY MIKE
  • MEMBER
  • 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 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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
  • 2 POSTS
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
  • MECHANIC
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Sounds like the computer injector driver
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Sunday, December 4th, 2011 AT 12:05 AM

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