"The letter designation" and "engine number" are located on the "arrow" sticker on the upper timing belt cover. "The letter designation" and "engine number" are additionally indicated on the engine casing near the junction of the engine and gearbox, on the vehicle data plate and on the engine control unit. Four-digit letter designations are used starting with the letter "C". The first 3 characters indicate the engine displacement and its design. They, including the serial number, are stamped on the cylinder block. The fourth character describes the engine power and depends on the engine control unit "J623".
Material is available on the website: SKODABOOK.ru