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International Automotive Technicians Network
Re: Contaminated MAF and Emissions
Posted to Technical Theory Forum on 4/19/2006

Hi Randy,

No tailpipe readings....it was in for a MIL on, P0171 stored.

I was attempting (again) to show one of my co-workers how to use FF data for "directed diagnostics". As I recall, the code was set fully warmed up at around 35 MPH and accelerating, LT... Login to read more.