2003 CHEVY TAHOE CHECK ENGINE LIGHT FLASHING

  • Tiny
  • kipfran
  • 2003 Chevrolet Tahoe

Engine Performance problem
2003 Chevy Tahoe V8 Two Wheel Drive Automatic 133000 miles

My check engine light flashes. Once in a while it will stay lit and pulls up a random misfire. It has no power and when you give it the gas the check engine light flashes. Sometimes for a while, sometimes for just a few flashes. What could it be?

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Tuesday, August 11th, 2009 AT 5:32 PM

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  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

If the code indicates a misfire, when was the last tune up? ALso, have you checked to make sure the catylatic converter isn't plugging?

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Tuesday, August 11th, 2009 AT 10:26 PM
  • Tiny
  • kipfran
  • Member

The plugs and wires were changed about 3 months ago. Could it be a bad plug?

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Wednesday, August 12th, 2009 AT 6:49 AM
  • Tiny
  • Jacobandnickolas
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  • 68,409 posts

Yes, you could have a bad plug, wire. Also, make sure the converter isn't plugged.

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Wednesday, August 12th, 2009 AT 11:08 AM

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