OBD-II Codes
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If your Volkswagen EPC light is on and the engine shakes, you're likely facing one of three faults: an ignition coil misfire, a dirty or failing throttle body...
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The latest 10 resources across OBD-II codes, car symptoms, repair guides, and driving guides.

White smoke from the exhaust is often harmless condensation on a cold start, but persistent thick white smoke usually means moisture or coolant is entering the...

In brief: A catalytic converter reduces harmful exhaust gases by promoting chemical reactions in the exhaust stream. Loss of power, sulfur smell, rattling...

In brief: P0304 usually means the engine computer detected a misfire in cylinder 4. Minimize driving if the check engine light is flashing or the engine is...

In brief: P0303 means the engine computer has detected a misfire on cylinder 3. It often points to an ignition fault, fuel delivery issue, air leak, or a...
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