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Engine Runs Bad In Cold Weather

When I start my truck in cold weather the engine will run fun for about ten seconds, but then it coughs and weezes and eventually stops, depending on how cold it is. In very cold weather the engin...

On A 2001 GMC Sierra Denali C3 What Does The C3 Mean

I am looking at a 2001 GMC Sierra Denali C3 to buy and I would like to know what the C3 stands for.

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