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International Automotive Technicians Network
Re: 1997 Cavalier 'anti-theft' system
Posted to Technical Discussion Forum on 6/29/2005

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P1629 is not a "loss of crank signal" code. That code is set when the IPC (instrument cluster) does not send a fuel enable code to the PCM. P1629 does not tell the whole story. You need to pull the th... Login to read more.