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Fuel to only one side of the intake manifold

Tiny
ERROL H
  • MEMBER
  • 1992 GMC C3500
  • 157,000 MILES
I am only getting power to one side of the dual injectors. If I reverse the top electrical plugs then the opposite injector works. Why does only one of the plugs or top caps have power and not the other? I installed a new activator plug and no change. What can I test or change?
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Sunday, November 17th, 2013 AT 7:04 PM

2 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Both powered by ECM check for voltage on both wires. If no power on one check at ECM D connector D14 and D16 if no power then ECM faulty
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Friday, November 22nd, 2013 AT 1:29 PM
Tiny
ERROL H
  • MEMBER
  • 7 POSTS
Thanks
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Friday, November 22nd, 2013 AT 6:58 PM

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