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Re: 2008 GM 6.6 P0101
Posted to Technical Discussion Forum on 10/4/2024 2 Replies

Good replies so far. EGR that's flowing when it shouldn't can cause this problem. Also, as Kevin said, look carefully at the MAF wiring for any kind of device wired in. "Finger sticks" or "chips" are sometimes installed and cause all kind of weirdness.

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