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International Automotive Technicians Network
Re: '07 Impala P0172 code...not flex fuel
Posted to Technical Theory Forum on 1/29/2013

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The car has been driven by the customer for the last week. Fuel trims are within normal range (still -6% LT @ hot idle) and no code return. Fuel alcohol content read 0% and alcohol status read "inact... Login to read more.