Easy Car Diagnostic (Breakdowns, Battery, Component wear & Pollution)

Buy the diagnostic tool

 

Download the mobile app

P2272 – MERCURY

Code : P2272
Make : MERCURY
Description : P2272 MERCURY O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 2
Possible causes :
– Faulty O2 Sensor Bank 2 Sensor 2
– Exhaust leaks
– O2 Sensor Bank 2 Sensor 2 harness is open or shorted
– O2 Sensor Bank 2 Sensor 2 circuit poor electrical connection
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top