Used 2003 GMC Sierra 2500 Consumer Discussions | Edmunds
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2003 GMC Sierra 2500 - Consumer Discussions

All GMC Sierra 2500 Models

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Strange electrical problems in my 2003 GMC Sierra 2500 crew cab. First thing that happened several months ago was the rear power door locks quit working - front work fine. A few months later, the rear...

I hope people read this before going and changing there throttle body. Our 2003 GMC Sierra 2500 6.0 started started up about 8 months ago. We changed the throttle body, among other things and it was g...
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Certified Pre-Owned (CPO) is a category of used car. Often late-model vehicles, they have been inspected, refurbished, if necessary, and are under warranty by the manufacturer.
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