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Re: 2003 Trailblazer 4.2 with a DTC P1271
Posted to Technical Discussion Forum on 2/2/2005

At 21:14:58 PST on 02-01-05, James Avery wrote: Hi James,

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I have not seen this code YET, and I would first use a scan tool and hope it would have APP1 and APP2 PID's in the data stream, as I ... Login to read more.