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International Automotive Technicians Network
Re: '91 Olds cutlass Ciera High NOx
Posted to Technical Discussion Forum on 9/12/2006

Mr. Garvey

This is the answer I was looking for. A reason that I was not finding a misfire that I could see plain as day on the O2 senser. So I will start looking for the air that the exhaust is breathing. Login to read more.