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International Automotive Technicians Network
Re: 98 Buick Woes
Posted to Technical Discussion Forum on 4/7/2006

Hi John,

I've read the entire thread and do have a few thoughts on it. The fuel trims, MAF, Baro,IAC and fuel trims at idle point to a problem. Looking at scan data while at 2500 rpm will most likely show fuel trims near zero. You need to determine the cause... Login to read more.