P0303Cylinder 3 Misfire Detected

The engine computer detected that cylinder number 3 is misfiring, so fuel is not burning correctly in that cylinder. Combustion is being skipped or is incomplete. Ongoing misfires send raw fuel into the exhaust and can damage the catalytic converter.

Ամենատարածված պատճառներն են՝ Worn or fouled spark plug in cylinder 3, Failing ignition coil or plug wire for cylinder 3, Clogged or leaking fuel injector for cylinder 3, Vacuum leak near that cylinder, Low compression in cylinder 3։

Խուսափեք վարելուց — այս անսարքությունը կարող է վտանգավոր լինել կամ ավելի մեծ վնաս հասցնել։ Անմիջապես ստուգել տվեք։

Check and replace the spark plug and coil for cylinder 3 as a first step, because ignition parts cause most single-cylinder misfires. A flashing check engine light means active misfire harmful to the catalytic converter, so limit driving and seek professional diagnosis if basic fixes do not work.