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Re: would a engine block heater cause the ecm to go crazy?
Posted to Emissions Forum on 1/2/2002

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Here is what I wanted you to see:

Conditions for Running The DTC No active ECT, MAF sensor or VSS DTC present. Vehicle speed is less than 35 mph. Mass Air Flow is less than 12 gm/s. Engine Coolant T... Login to read more.