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After engine started shaking my check engine light came on

Tiny
DORA.0916
  • MEMBER
  • 2005 CHEVROLET TAHOE
  • 130,000 MILES
2005 chevy tahoe. Check engine light is on and feels shaky. I called onstar and they did a diagnostic over the phone and said the Fuel injector control circuit was not working. Can you be a bit more specific than that?
Thursday, December 29th, 2011 AT 8:39 PM

8 Replies

Tiny
DORA.0916
  • MEMBER
  • 7 POSTS
I called them back and they gave me 2 codes. The 1st one "active misfire condition" is code P0200. The 2nd one is "fuel injector control cicuit not working" is code P0300.
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Thursday, December 29th, 2011 AT 10:49 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Actually it was the other way around. The 300 is the misfire. Those codes are very generic and by themselves do no provide enough information to conclude anything. The system is going to require much more in depth testing to determine the cause of the failure.
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Thursday, December 29th, 2011 AT 10:58 PM
Tiny
DORA.0916
  • MEMBER
  • 7 POSTS
So my husband came home and looked under the hood. The wires have been chewed by rats! At least now we know its not really the fuel injector control. Now let see how much it's gonna cost to replace the wires.
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+1
Friday, December 30th, 2011 AT 12:34 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That makes sense. They got into the fuel injector wires along with others.
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Friday, December 30th, 2011 AT 12:37 AM
Tiny
DORA.0916
  • MEMBER
  • 7 POSTS
Thanks so much for your help and for answering so fast. This is my 1st time on this site, and I will definitely recommend to others!
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Friday, December 30th, 2011 AT 12:59 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You're welcome and thank you for the compliments.
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Friday, December 30th, 2011 AT 1:01 AM
Tiny
LMM92
  • MEMBER
  • 4 POSTS
2009 Tahoe hybrid. This morning I was driving heard a pop sounded like a back fire. The Tahoe started to jerk and sputter. Yesterday my locks started unlocking and locking back by itself. Anyone have any idea what it could be? My dads bringing the computer home tonight to hook up to it.
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Wednesday, June 21st, 2017 AT 11:34 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
This question is 6 years old and belongs to someone else. Please start a new question of your own.
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Wednesday, June 21st, 2017 AT 11:37 AM

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