Andrew

Technician holding an OBD diagnostic scanner inside a car with the hood up; screen shows code P0420.

Check Engine Light On? What to Do First (Free Checks + OBD2 Steps)

Check engine light on? Learn the exact OBD2 steps to read fault codes, interpret live data, and diagnose the real cause — before spending money on parts.

Check Engine Light On? What to Do First (Free Checks + OBD2 Steps) Les mer "

Random Misfire (P0300-P0306): Step-by-Step Diagnosis Using Live Data

If your engine is shaking at idle, hesitating under acceleration, or your Check Engine Light is on, you’re likely dealing with a misfire. Learn how to diagnose P0300 and P0301-P0306 codes using live data and save €300+ on unnecessary parts.

Random Misfire (P0300-P0306): Step-by-Step Diagnosis Using Live Data Les mer "

Andrew

Check Engine Light On? What to Do First (Free Checks + OBD2 Steps)

Random Misfire (P0300-P0306): Step-by-Step Diagnosis Using Live Data

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