Check P0393 Fault Code
When you check engine light came on code P0393 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 P0393 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
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P0393 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. |
P0393 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.
P0393 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0393 OBD-II Trouble Code The Camshaft Position Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. This information is used by the Engine Control Module (Reason For P0393 CodeThe reason of P0393 OBD-II Fault Code Check is P0393 Camshaft Position Sensor B Circuit High Bank 2. |
P0393 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 P0393 mean ?
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How to Clear P0393 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.