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Check P2172 Fault Code

When you check engine light came on code P2172 the reason should be . However your vehicle's manufacturer may have a different definition for the P2172 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P2172 Code Reason

P2172 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.

P2172 Possible Fix :

If the culprit is a poor fuel pressure regulator, then I suggest looking around for a replacement part and taking your car to your local mechanic for installation. If you're a skilled mechanic, then you should be able to install a new fuel pressure regulator easily. But if you're just starting out, it's always best to have the professionals take care of this job. Believe me, the fuel pressure regulator is not an easy part to install.

P2172 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2172 Throttle Actuator Control System - Sudden High Air Flow Detected so you have to check ODB-II Fault Code Check list.

Reason For P2172 Code

The reason of P2172 OBD-II Fault Code Check is P2172 Throttle Actuator Control System - Sudden High Air Flow Detected.

P2172 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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