1997 Cadillac DeVille "po138" Questions

the code is po138 what is it the code is po138 what does the code mean Bad O2 sensor

2000 dodge truck code po203 po204 2000 dodge ram 5.9 4+4 hafe ton truck code po203 po204 po138 misfire and started to tick like alifter p0203 injecter circuit malfunction cyl #3. p0204 injector ...

po138 sensor 1997 olds aurora where is it where is the po138 sensor located and does this effect charging system I would be inclined to say it is electrical in nature. Did you set the spark plug gap ...

96 Ram 1500, 5.9 litre. code PO138 sensor circuit 96 Ram 1500, 5.9 litre. code (says 2 codes) PO138 sensor circuit high volts (Bank1 sensor 2) where exactly bank 1 sensor 2, before or after the ...

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

KEEP GETTING CODE PO138 O2 Sensor Circuit High Voltage Bank 1 Sensor 2 This is the sensor located after the catalytic converter.

96 windstar van light on read po137 po138 what is it light on O2 Sensor Circuit Low Voltage Bank 1 Sensor 2, this is the sensor screwed into the tail pipe behind the catalytic converter, most likely ...

po138 what does this code indicate in my car it is a bad o2 sensor,and it is located as upstream and in the back exhaust manifold by the fire wall

how engine performance is affected by bad o2 sensor po138 what affect will a sensor po138 have on the running of my engine? Hey, The o2 sensor affects the fine tuning of the engine. it is used to tell

failed smog check what does this mean po304 misfire detected cylinder 4 po138 O2 sensor high voltage (bank 1 sensor 2) po304 is just that #4 cyl has a problem could be a bad spark plug or a bad plug ...