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Check Engine Light

Tiny
TINASUZAN
  • MEMBER
  • 1997 GMC SUBURBAN
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
My 1997 GMC Suburban had a cracked head gasket. Lots of $$$ to repair. Since that repair the "check enging light" won't go off. Now the mechanice checks the 02 sensor, replaces this, at no cost to me. I have been using this mechanic for 12 years and have always trusted him. Until now. "The check engine light is on because?
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Friday, March 18th, 2011 AT 4:40 PM

2 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Have a scan performed to get the trouble code and post it here. Most parts outlets provides free scanning services.
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Friday, March 18th, 2011 AT 8:07 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
One of your sensors is out of whack is why it comes on get it scanned so we can help you further.
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Tuesday, March 22nd, 2011 AT 11:45 PM

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