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1997 Nissan Pathfinder HC failure
Posted to Emissions Forum on 4/20/2004 111 Replies

Hi EmF'ers

I have a 1997 Nissan Pathfinder w/3.3L V6 w/AT that failed it's ASM test for HC's. It failed at 15mph by 17ppm and failed at 25mph by 39ppm. Lambda was 1.0001 at 15mph and .999 at 25mph. The Pathfinder passed the OBDII portion of the test. This ve... Login to read more.

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