Check P20A9 Fault Code
When you check engine light came on code P20A9 the reason should be . However your vehicle's manufacturer may have a different definition for the P20A9 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
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P20A9 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. |
P20A9 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.
P20A9 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP20A9 Reductant Injection Air Pressure Control Valve Circuit High so you have to check ODB-II Fault Code Check list.Reason For P20A9 CodeThe reason of P20A9 OBD-II Fault Code Check is P20A9 Reductant Injection Air Pressure Control Valve Circuit High. |
P20A9 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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What does fault code P20A9 mean ?
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How to Clear P20A9 Trouble Code
An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.