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2006 chevy express 6.0 codes
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12-08-2020, 11:58 AM
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gmc684x4
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Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
Re: 2006 chevy express 6.0 codes
P171 and p174 are lean codes
P300 is misfire
Either take it to a mechanic or try fixing yourself lean out to much will kill your motor
https://www.700r4transmissionhq.com/...chevy-express/
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