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Re: Very intresting code and problem with 02 activity
Posted to Technical Discussion Forum on 9/19/2012 2 Replies

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Correct, but I mention to unhook the connector from the 02 sensor and check from harness connector side back to the PCM. Since the PCM on this GM vehicle sends a bias voltage of 450mv when unplugged ... Login to read more.

2 Replies Received (View Replies)