Showing articles & questions for topic
P0155

Related articles

P0155 OBD-II Trouble Code: 02 Sensor Heater Circuit Malfunction (Bank 2, Sensor 1)
P0155 trouble code definition O2 Oxygen Sensor Heater Circuit Malfunction (bank 2 sensor 1) What the P0155 code means When the P0155 code is present, it is an indication that the...

Related questions

Question
Getting multiple codes
Hello. When you get these codes together it is typically the result of a vacuum leak. If there is too much air entering the engine, your truck will have idling problems and this will cause issues with the oxygen sensor...
Question
Po155cnf bank 2 sensor heater circuit P1620cnf Also code
The P0155 is the oxygen sensor located on the rear bank of cylinders and before the catalytic converter. Given your mileage, both oxygen sensors (pre-catalytic converter) should be replaced. The pre-cat sensors have the most affect on fuel mixture, saving...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question