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Help differentiating CR/PD

Distinguishing between Common Rail (CR) 
and Unit Injector (PD)

Applicable to certain Volkswagen AG model series with 2.0 TDI engines

Several Audi, Seat, Skoda and VW model series with 2.0 TDI engines use both CR and PD ("Pumpe-Düse" / Unit injector) technology.

RaceChip chip tuning is specially customized to the applicable fuel injection technology with respect to both hardware and software. If your vehicle is specified in the list of applicable models below (all other 2.0 TDI models feature just one type of technology), it is important to determine, before choosing a tuning product, which type of injection technology is installed in your vehicle. For such models, you will therefore find the “CR” or “PD” designation after your engine code.

Performance The following Volkswagen Group model series are applicable: Engine code CR Engine code PD
100kW (136hp) Audi: A3 (8P), A6 (C6)
VW: Golf Plus, Jetta V, Passat B6 		CAGB, CBAA, CFFA AZV, BMA, BNA, BRF
103kW (140hp) Audi: A3 (8P)
Seat: Altea (5P)
Skoda: Octavia (1Z), Superb (3T)
VW: Caddy (2K, 2C), Eos (1F), Golf V,
Golf VI, Jetta V, Passat B6, Touran (1T) 		CBAB, CBDB, CFFB,
CFHC, CJAA, CLCB,
CLJA 		BKD, BKP, BMM, BMP

If your vehicle is in this list and you are not sure if it is a CR or PD version, then simply follow one of the following steps to identify CR or PD technology.

Using the engine code:

For PD models, the engine code consists of 3 characters, while for CR there are 4 characters. You can find your vehicle’s engine code in the specification sheet in your service booklet or on the data sticker in your engine bay.

Using engine images for CR and PD:

Common rail (CR)
Unit injector (PD)
Common rail engine, traverse
CR traverse
Common rail engine, longitudinal
CR longitudinal
Pumpe-Düse (PD, unit injector) engine, traverse
PD traverse
Pumpe-Düse (PD, unit injector) engine, longitudinal
PD longitudinal

Using our customer service:

If the tips above have not clarified the technology type, then please contact our Customer Service department. We will be happy to help. Contact

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Take your ride to the next level!

You are not just driving your car to get from A to B and long, winding roads make your heart leap? We are glad you found us. We will help you to unlock your engine’s maximum performance and make sure that you will never want to get out of your Jeep again.

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Big, strong, capable of going anywhere. The Jeep brand is part of Chrysler Group LLC and has long been a synonym for all-terrain vehicles. The first vehicle to become street-legal was the Jeep CJ-2A, which rolled off the conveyor belts in 1945. A few decades later, the Wrangler and Cherokee became the flagship models for the Jeep brand. Other popular models include the Commander, Compass, and the Patriot. The vehicles are generally powerful, feature American-standard interiors and offer ample space for the whole family.


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