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Re: Envoy P0171
Posted to Technical Discussion Forum on 1/11/2006 4 Replies

[2002 GMC Envoy, ECM/Inputs/Outputs Scandata]

Harvey what has me so puzzled about this thing is this. From my observations the Tps is 38% , the "vacume" is at about 20 , yet the load says it's 99% and it's fat as hell mixture wise. Personally I don't see a d... Login to read more.

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