Car Engines Error Codes Meanings and Fixes

The C121C is a 1.5-liter inline-four engine that was produced by Mitsubishi Motors from 1993 to 2002. It was used in the Mitsubishi Mirage and Colt.

P0420 is a generic OBD-II code that indicates that the catalyst efficiency below threshold (bank 1).

P0301 is the generic OBD-II code for a misfire in cylinder 1.

A unique set of characters or numbers that identifies a specific engine type, often found on a metal plate attached to the engine block.

A check engine light code is a series of letters and numbers that indicate a problem with your vehicle’s engine. The code can be read by a mechanic or a code reader to help diagnose the problem.

The tenth character of a VIN identifies the engine code.

The engine code is located on a sticker on the driver’s side door jamb.

The engine code is located on a sticker on the driver’s side door jamb.

The engine code is located on a metal plate attached to the firewall on the driver’s side of the engine compartment.

The engine code is the ninth character in the VIN.