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Re: 2012 Impala Will Not Run O2 Or Evap
Posted to Emissions Forum on 5/21/2018 14 Replies

Hi Andrew,

You might want to check the O2 heater current of all the sensors on your scanner. I've had a few GM trucks where one sensor was drawing over 50% more current than the rest of the sensors, suspending the monitor. Your O2 Heater monitor has already ... Login to read more.

14 Replies Received (View Replies)