Check P3478 Fault Code
When you check engine light came on code P3478 the reason should be . However your vehicle's manufacturer may have a different definition for the P3478 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
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P3478 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. |
P3478 Possible Fix :
When you spot grave damage, replace, replace, replace! Otherwise, if it's just a matter of grime buildup or dirty plugs, simply clean these components. If your wires are tangled, prevent arcing and damage caused by friction by using a spark plug wire loom or divider on your car. It basically organizes your wires and offer better insulation. In short, it keeps your wires organized, making it easier to access your spark plug wires for inspection and/or installation.
P3478 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP3478 Cylinder 10 Exhaust Valve Control Circuit Performance so you have to check ODB-II Fault Code Check list.Reason For P3478 CodeThe reason of P3478 OBD-II Fault Code Check is P3478 Cylinder 10 Exhaust Valve Control Circuit Performance. |
P3478 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 P3478 mean ?
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How to Clear P3478 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.