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Re: 2009 Chevrolet Duramax LMM trouble code P0101 - has delete
Posted to HD/Fleet Forum on 5/14/2018 2 Replies

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Apparently the tune had zero to do with the trouble code. The truck was broke.

With the factory tune installed. The P0101 (MAF performance) would reset while setting at idle. If the rpm was held ab... Login to read more.

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