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Egr Monitor Pt Cruiser
Posted to Technical Theory Forum on 9/11/2006 20 Replies

2001 Pt Cruiser 2.4l P0401

My Question is Which O2 sensor does the EGR test use the front or rear. Alldata says the test is done by momentarily opening the valve and closing it while looking for a change in O2 output. Mode6 shows the test as a shift in fuel ... Login to read more.

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