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International Automotive Technicians Network
Re: who determines, and what is an 'industry standard' fix?
Posted to Emissions Forum on 2/5/2004

OK, but if the car was pinging...wasnt the NOx probably up during the pinging?

And if the MAF was really out of whack...wasnt the fuel trim altered (By the bad BARO readings dirty MAFs give)enough to have a serious affect on teh PASS/FAIL ability of the O2 s... Login to read more.