Showing articles & questions for topic
P0140

Related articles

P0140 OBD-II Trouble Code: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2)
P0140 code definition O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2) What the P0140 code means P0140 is the OBD-II generic code which indicates that the O2 sensor for...

Related questions

Question
Error codes, engine light on
Hello there. When these codes are seen together, it points to a malfunction in the oxygen sensor bank 1 circuit. This could be caused by many things such as a failing oxygen sensor, leaking fuel injector, rich or lean conditions,...
Question
Starting problem
At 180.000 miles, it could be just about anything. The P0161 and P0140 codes are oxygen sensor codes, and probably don't have anything to do with the starting issue, though you should have that investigated. The P0300 code however is...
Question
P0140, P0191, P2000. I put a new oxygen sensor in
Hi there. These codes are coming on for a possible fuel pressure issue that could also be causing the catalytic converter to burn too hot. Check the fuel rail pressure and make sure that the pressure does not exceed minimum...

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