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

1987 GMC TRUCK
Avatar
MIKY MIKE
  • MEMBER
  • 2 POSTS
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.
Dec 3, 2011 at 12:01 AM
Advertisement
Avatar
RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
Check the injectors if its pulsing-by using a noid lite
Dec 3, 2011 at 12:16 AM
Avatar
MIKY MIKE
  • MEMBER
  • 2 POSTS
I tried the nod lite test. They dont pulse but i have 12 volt to them.
Dec 3, 2011 at 7:35 PM
Advertisement
Avatar
RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
Sounds like the computer injector driver
Dec 4, 2011 at 12:05 AM