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Re: GM EST Voltage Threshold
Posted to Technical Discussion Forum on 9/9/2001 2 Replies

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I recieved alot of help with my problem on code 42 EST. The 5.8 volts was enuff volts on the ref. high wire going into the ECM. As sugested I used my duel trace lab scope at the ECM. I looked at the E... Login to read more.

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