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International Automotive Technicians Network
Re: EGR control question: 1990 C1500 5.7
Posted to Technical Discussion Forum on 2/12/2007 1 Reply

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Hi Allen,

I had no EGR command on a 5.7L Chevy P30 Step Van once. Someone had swapped an ECM from their fleet with the same Service Number, but had a PROM that was for a 6 Cylinder engine. The engin... Login to read more.

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