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Check engine soon light on at idle

Tiny
KARI02
  • MEMBER
  • 2004 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 197,000 MILES
Check engine soon light comes on when car idles with heat on for 10 min+ turns off again after running at highway speed. I just had transmisson work done and a new thermostat installed.
Wednesday, January 12th, 2011 AT 11:11 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check engine light on
Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis, finding out what's going on.
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Thursday, January 13th, 2011 AT 12:27 AM

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