P0139 Diagnostic Trouble Code Discussion for March 2012
Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
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| Help Request | Posted | |
| 2003 Hyundai Elantra GLS 2.0L noisy decel VIN: KMHDN45DX3 P0139: rear 02 slow response. pick up car from use car lot for smog and no light when i picked it up. try to smog notice misfire monitor ok fuel not ok(what the hell) ccm ok. Never seen this before,I thought these run all the time when car is running. I drove it and now check engine light ... |
March 12, 2012 |
