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Re: GM C3 question..is Diagnostic Mode hardwired in ECM?
Posted to Technical Discussion Forum on 5/18/2003 3 Replies

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1981 Chevrolet El Camino

Engine: 3.8 L / 229 CID / 6 cyl / Gas / OHV Fuel: Carburetion / 2 bbl Ignition: Distributor-Breakerless / HEI Trans: 3-speed Automatic Transmission Mileage: 58,500 mi VIN: 1... Login to read more.

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