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post #1 of 5 (permalink) Old 02-27-2019, 01:35 PM Thread Starter
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Question Code meaning?

My engine light has come on so I ran some codes to see what the issue is. Here is the code;

P2272 O2 sensor signal biased/stuck lean (bank 2 sensor 2)

Does this simply mean that the O2 sensor is bad, or could something else cause this to react this way?
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post #2 of 5 (permalink) Old 02-27-2019, 03:32 PM
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Quote:
Originally Posted by AngelArs View Post
My engine light has come on so I ran some codes to see what the issue is. Here is the code;

P2272 O2 sensor signal biased/stuck lean (bank 2 sensor 2)

Does this simply mean that the O2 sensor is bad, or could something else cause this to react this way?

I would say you may have a bad vacuum leak that is feeding the front side of the intake manifold.

Last edited by Automender12345; 02-27-2019 at 03:51 PM.
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post #3 of 5 (permalink) Old 02-27-2019, 03:44 PM
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^^^^ +1000

Nasty vacuum leak.

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post #4 of 5 (permalink) Old 02-27-2019, 04:01 PM
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Quote:
Originally Posted by AngelArs View Post
My engine light has come on so I ran some codes to see what the issue is. Here is the code;

P2272 O2 sensor signal biased/stuck lean (bank 2 sensor 2)

Does this simply mean that the O2 sensor is bad, or could something else cause this to react this way?
Exhaust leak near O2 sensor
Contaminated or failed HO2S2 (Sensor 2)
HO2S2 wiring/circuit problem
Loose installation of HO2S2
Fuel pressure incorrect
Faulty fuel injector
Engine coolant leak
Faulty purge solenoid valve
From the internet search for P2272.


-chart-
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post #5 of 5 (permalink) Old 07-09-2019, 09:22 AM
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Quote:
Originally Posted by chartmaker View Post
Exhaust leak near O2 sensor
Contaminated or failed HO2S2 (Sensor 2)
HO2S2 wiring/circuit problem
Loose installation of HO2S2
Fuel pressure incorrect
Faulty fuel injector
Engine coolant leak
Faulty purge solenoid valve
From the internet search for P2272.

Check Engine light on with no code. What should we do? visit this site to get answer
-chart-
Another reason is PCM which has failed
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