Questions & Answers for: po139

MIL on Dealer checked the codes and said it was PO139 EGR no flow,and PO400 Aft O2 sensor slow to respond. I have fixed the EGR and checked the O2 sensor with a DVM and it appears to be good with ...

2001 Nissan Maxima service engine light stays on code from Auto Zone scanner is PO139 and PO138. What should my next step be to solve this problem. 2001 Nissan Maxima service engine soon stays on code

pcm code po139 eldorado P0139: O2 Sensor CKT Slow Response (Bank 1 Sensor 2)- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted - Rear Heated Oxygen Sensor Bank 1 circuit poor electrical ...

2005 ACCORD ERROR CODE P0139 I had my 2005 accord checked out, it came back with a po139 error message, what does that mean? po139 is a code for o2 sensor slow response bank 1 sensor2 which tells me ...

2002mercury villager code po325 code po139 code po138 answered this one

2002 mercury villager code po325 code po138 code po139 P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) P0325 Knock Sensor 1 Circuit (Bank

po158 po159 PO139 PO159 After cat oxygen sensor fault. Check wiring and sensors.

my cadillac deville l997 gave error code po139. where do I locate bank l sensor 2? nothing Just behind bank 1 catalytic converter.

engine code139 OBDII PO139 Possible causes - Timing belt or chain stretched or jumped - Faulty Camshaft Position (CMP) Sensor - Camshaft Position (CMP) Sensor harness is open or shorted - Camshaft ...

troubleshooting codes Po139 & P0016 What make , model and year vehicle ?