Check engine light

2001 GMC SONOMA
86,000 MILES • 6 CYL • 2WD • AUTOMATIC
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LARRY HALEY
  • MEMBER
  • 10 POSTS
My check engine came on twice this month. Both times the truck sat and did not run for about two weeks. The light goes off after awhile. It does not stay on. Is this from sitting?
Apr 10, 2011 at 5:18 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Have the trouble codes checked. Some of the national brand autostores used to check codes for free. Are there any drvieability issues?
Apr 10, 2011 at 7:26 AM
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LARRY HALEY
  • MEMBER
  • 10 POSTS
Not at all. Still runs fine.
Apr 10, 2011 at 7:39 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
I'd still want to know about applicable codes. Intermittent issues can be hard to track.
May 16, 2011 at 8:00 AM
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