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International Automotive Technicians Network
Re: Old School Test
Posted to Emissions Forum on 8/5/2019

In this part of the world, the only time we got to fix these was after several other shops had done "tuneups" to try to eliminate a miss at cruise... Of course, car idled fine, and was perfect (sorta) at WOT. The quick test we used was to block the EGR (golf t... Login to read more.