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International Automotive Technicians Network
Re: Reposting Stalling 2002 Buick Regal 3.8 Super Charged
Posted to Technical Discussion Forum on 12/18/2007

Hi Peter,

Please read the original post I linked to this one. This vehicle surges and dies because the pcm takes the fuel away by trimming negative, way negative. The voltage induced on the O2 circuit is in excess of 3.5 volts. The pcm sees this extreme volt... Login to read more.