2003 GMC Sierra Reduced Power Engine Light Indicator

Tiny
AREUGENE
  • MEMBER
  • 2003 GMC SIERRA
  • V8
  • 2WD
  • AUTOMATIC
  • 113,563 MILES
The subject light first appeared in November 2006. Battery Cables were adjusted and tightened and diagnostic codes were reset. All was fine until this week (14 December 2007) when same light reappeared. GMC service techs now say it is the throttle body that needs to be replaced at a cost of $750. Is this a reasonable solution and cost for the job? Thank you.
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Saturday, December 15th, 2007 AT 3:12 PM

3 Replies

Tiny
JACK42
  • MEMBER
Unfortunatly that sounds about right if they diagnosed it correctly. If you are curious call the parts dept on your own and ask for a price on the part, just as a call in customer
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Sunday, December 16th, 2007 AT 8:49 AM
Tiny
DENNYP
  • EXPERT
There is also a common problem with damaged wires inside the wire insulation of the throttle body wiring connector. You might want to inspect the circuits for an intermittent open circuit.
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Sunday, December 16th, 2007 AT 9:29 PM
Tiny
JACK42
  • MEMBER
Good call Denny, forgot about that
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Monday, December 17th, 2007 AT 7:18 AM

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