Check P2631 Fault Code

When you check engine light came on code P2631 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P2631 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P2631 Code Reason

P2631 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

P2631 Possible Fix :

There could be a number of reasons for noisy brakes. It could be that your brake pads are loose, worn out, or you may have brake dust inside the drum. If you can't see anything wrong with your brake pads, and you suspect it may be brake dust, it may be best to leave this to a professional, brake dust can be extremely dangerous if accidentally inhaled.

P2631 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2631 Front Air/Fuel Ratio Sensor Bank 2 Sensor 1 Circuit High Voltage so you have to check ODB-II Fault Code Check list.

Reason For P2631 Code

The reason of P2631 OBD-II Fault Code Check is P2631 Front Air/Fuel Ratio Sensor Bank 2 Sensor 1 Circuit High Voltage.

P2631 Solution:

Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.

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