03 Z71 TAHOE STARTS BUT DIES.

  • Tiny
  • tsb68
  • 2003 Chevrolet Tahoe
  • V8
  • 4WD
  • automatic
  • 239,000 miles

I have a 03 tahoe. Z71 it well start but dies rightaway. The display reads reduced engin power. I looked this up its a protective defalt for if the engin over heats. My tahoe is not over heating

Friday, July 15th, 2011 AT 3:33 AM

5 Answers

  • Tiny
  • factoryjack
  • Expert
  • 4,263 posts

It may be a default for one of many conditions. Usually it is relevant to a fault with the electronic throttle. Have you been able to have it scanned for fault codes?

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Friday, July 15th, 2011 AT 4:35 AM
  • Tiny
  • tsb68
  • Member

No im up here at autozone now waiting for them to open and get them to put there code reader on it. Thanks.

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Friday, July 15th, 2011 AT 12:10 PM
  • Tiny
  • factoryjack
  • Expert
  • 4,263 posts

You do have a message for engine overheat, the engine power reduced message is indicative to another fault.

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Friday, July 15th, 2011 AT 3:14 PM
  • Tiny
  • tsb68
  • Member

Its apperantly them throttle control sensor. I have one on its way. I hope this fixes them problem. Fingers crossed, lol

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Friday, July 15th, 2011 AT 3:31 PM
  • Tiny
  • factoryjack
  • Expert
  • 4,263 posts

That is one of the possibilities. What code(s) did you get?

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Friday, July 15th, 2011 AT 6:19 PM

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