WebP2273 code definition The P2273 diagnostic trouble code is an indication that the Bank 2 Sensor 2 oxygen (O2) sensor signal is stuck on rich. Related Trouble Codes: P2270 OBD- II Trouble Code: O2 Sensor Signal Stuck Lean Bank 1 Sensor 2. 2 people found this helpful. Mark helpful #1 Rowefast Reputation 10,080 #2 John Carson Reputation 9,160 #3 WebDec 11, 2024 · 1 Answer I have a 2009 Chevy that threw a CEL with P2271 and P2273 codes and will not clear. Reset the CEL and have driven over 250 miles trying the drive cycles with no CEL on again. I installed 2 new Bosch O2 sensors reset the CEL and have driven over 250 miles trying the drive cycles with no CEL on again. No new codes not pending codes.
2024 Chevrolet Silverado 1500 RST For Sale in Issaquah, WA ...
WebMay 28, 2024 · Code P2273 Chevrolet Description The Heated Oxygen Sensors (HO2S) are used for fuel control and catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content of the exhaust stream. WebJul 30, 2015 · P2270 Description The Powertrain Control Module ( PCM) supplies a voltage of about 450 mV between the HO2S high and low signal circuits. The oxygen sensor varies the voltage over a range from about 1,000 mV when the exhaust is rich, down through about 10 mV when the exhaust is lean. tow jeep behind motorhome
SOLVED: My 2008 Silverado is throwing codes p2271,p2272 - Fixya
WebJun 7, 2024 · P2271 is a generic DTC trouble code that can affect the Chevy Silverado. It indicates that the oxygen sensor located on bank 1 in the second position is continuously sending voltage with a value that is too rich. There are oxygen sensors on both sides of the catalytic converter. The “upstream” one is used for air/fuel mixture purposes. WebJan 28, 2024 · A bad fuel injector can trigger the code P2271. What are the Common Symptoms of the P2271 Code? Some symptoms of this diagnostic trouble code (DTC) might be too subtle to notice. Make sure to pay close attention to your vehicle’s performance, fuel consumption, ignition, and check engine light. WebThis P2273 diagnostic trouble code (DTC) refers to the post-catalytic converter O2 (oxygen) sensor on bank #2, sensor #2. This post-cat sensor is used for monitoring the efficiency of the catalytic converter. The converter's job is to reduce emissions out the tailpipe. power bi refresh schedule