Is your car safe to drive?

Enter the code from your check-engine light and get a straight answer: whether it's safe to drive, what the repair usually costs, and exactly what to tell your mechanic.

Look at the base of the windscreen on the driver's side, or the sticker in the door frame.

Common check-engine codes
P0420P0300P0171P0455P0301P0128P0442P0101

Browse every code we cover →

Makes we go deeper on

Standard OBD-II codes work on any car, and those are the bulk of what a check-engine light throws. For these makes we also hold the manufacturer's own codes, where the same number means something different brand to brand.

HondaVW/AudiPeugeot/CitroënGM/ChevroletFiatFordHyundaiChrysler/Jeep/Dodge/RamRenaultNissanMazdaSubaruToyotaKia
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