2001 Chevy Cavalier Fuel Injector

Tiny
DOBBIE199421
  • MEMBER
  • 2001 CHEVROLET CAVALIER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
I am having a problem with fuel injector #1. I problem that I am have is that it is not getting any signal from the computer to fire the gas in the correct order. I used a computer code reader and it said fuel injector switch open circuit or something on the lines of that. I had a buddy use a noid tester on the wire that goes to fuel injector and it didn't light up. He used it on another fuel injector wire and those light up. I don't see any wires out in the open that are damaged. Is there something that I am missing?
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Wednesday, May 26th, 2010 AT 8:01 PM

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Tiny
BMRFIXIT
  • EXPERT
With key on engine off or running one wire on the injector should have power check for that
( unplug the injector and check )
if not check for short all injectors use same fuse and check under the hood for short

if OK and no pulse have to use and Ohm meter and check the 2ND wire and it from PCM to injector if wire OK PCM is at fault and need to be replace if not check wiring harness by the firewall
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Wednesday, May 26th, 2010 AT 8:56 PM

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