Check P2101 Fault Code
When you check engine light came on code P2101 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 P2101 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
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P2101 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. |
P2101 Possible Fix :
Probably the biggest result of injector failure is due to the injectors having excessive return flow or back leakage. This is due to worn parts which allow excessive fuel to go through the diesel injector and to return back to the tank or fuel system. This causes a drop in rail pressure which results in hard starting or not starting at all.
P2101 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP2101 Throttle Actuator A Control Motor Circuit Range/Performance so you have to check ODB-II Fault Code Check list.Reason For P2101 CodeThe reason of P2101 OBD-II Fault Code Check is P2101 Throttle Actuator A Control Motor Circuit Range/Performance. |
P2101 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 P2101 mean ?
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How to Clear P2101 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.