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International Automotive Technicians Network
Re: GM Code 43 at idle
Posted to Technical Discussion Forum on 2/5/1999

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It is included in the Memcal. In all of my years of fixing cars, that was the only Prom/Memcal/Calpak failure that I have ever seen. Yes, I have done plenty of updates, but never another failure. On s... Login to read more.