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Re: 2009 Chevrolet Duramax LMM trouble code P0101 - has delete
Posted to HD/Fleet Forum on 5/12/2018 2 Replies

your ALER is too low. ideally should about 1:1. I believe the spec is .85 to 1.2. You have the Tsb smoke and repair the leak. MAF around 42 w/EGR closed(blocked) would be about [...] 100% EGR, MAF should be about 12 with a clean cooler. With a blocked off cool... Login to read more.

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