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International Automotive Technicians Network
Re: Fuel trim questions
Posted to Technical Discussion Forum on 8/23/2013

hey Adrian

I would find it hard to believe that the problem is egr or anything to do with the egr. I see an ignition coil problem on cylinder number six.

here is what I see.

go to your second set of scan data. see the sharp downward point on the rpm, jus... Login to read more.