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Check P0204 Fault Code

When you check engine light came on code P0204 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 P0204 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0204 Code Reason

P0204 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.

P0204 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.

P0204 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0204 OBD-II Trouble Code Engine Control Module (

Reason For P0204 Code

The reason of P0204 OBD-II Fault Code Check is P0204 Injector Circuit Malfunction Cylinder 4.

P0204 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.

What does fault code P0204 mean ?
What does a diagnostic reading P0204 mean ?
How to fix OBD2 Code P0204 ?
What do we know about P0204 code ?

How to Clear P0204 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.