Intake manifold plugs for Audi, VW and Porsche vehicles with 4.2 V8 TDI engines

Swirl flaps are components used in diesel engines whose primary function is to introduce turbulence into the airflow entering the combustion chamber in order to improve combustion efficiency. Unfortunately, these flaps have many drawbacks.
   First, swirl flaps are engine components that are subject to heavy wear and are prone to failure. Their failure can lead to serious engine performance issues, such as a loss of power, noise, or vibration.
   Second, swirl flaps, even when open, significantly restrict airflow, which creates additional resistance and reduces combustion efficiency. In particular, when an engine is modified to increase power and torque, swirl flaps become a major limitation on engine performance.
   Finally, swirl flaps are also expensive to repair or replace. Removing them and replacing them with plugs is a popular modification among automotive enthusiasts who want to boost their engine’s performance and avoid costly repairs.

Application:

VAG 4.2 V8 TDI
engines:

Audi

A8 D3 (4E2, 4E8)
        4.2 TDI quattro (BMC) 4134cc 320KM/235kW 2005/01–2005/06
4.2 TDI quattro (BVN) 4134cc 326KM/240kW 2005/07–2010/07

A8 D4 (4H2, 4H8, 4HC, 4HL)
        4.2 TDI quattro (CDSB) 4,134 cc 351 KM/258 kW 2009/11–2014/04
4.2 TDI quattro (CTEC) 4,134 cc 385 KM/283 kW 2013/10–2018/01

Q7 (4LB)
4.2 TDI quattro (BTR) 4,134 cc 326 KM/240 kW 2007/03–2009/06
4.2 TDI quattro (CCFA CCFC) 4,134 cc 340 KM/250 kW May 2009–August

2015 Q7 Van (4LB)
4.2 TDI quattro (BTR) 4,134 cc 326 KM/240 kW Mar 2007–Jun
2009 4.2 TDI quattro (CCFA CCFC) 4,134 cc 340 KM/250 kW Mar 2007–Aug


2015 Porsche

CAYENNE (92A)
        4.2 S Diesel (MCU.DB) 4,134 cc 382 KM/281 kW 10/2012–
4.2 S Diesel (MCU.DC) 4,134 cc 385 KM/283 kW 10/2014–


Volkswagen

TOUAREG (7P5, 7P6)
        4.2 V8 TDI (CKDA) 4,134 cc 340 KM/250 kW Jan 2010–Mar



2018 Kit contents:

  16 x ADITECH swirl flap plugs,
2 x ADITECH aluminum manifold plugs (on the actuator side),
2 x ADITECH24 flap actuator position limiters,
2 x plug clips (on the actuator
side)

This repair kit should resolve the following error codes:

P1018, 012597, P3135, P2008, P2011, 004120.

The listed error codes are related to malfunctions in the swirl flaps or their position sensors, which can lead to various issues, such as a burnt-out actuator motor or an oil leak.

P2008 and P2011 indicate that the swirl flaps in bank 1 or 2 are stuck, while code 004120 indicates a problem with the swirl flaps in bank 2. P1018 refers to an incorrect signal from the swirl flap position sensor in bank 1, while code 012597 indicates engine malfunctions that may be caused, among other things, by stuck swirl flaps.

Code P3135 also pertains to the swirl flap position sensor, which has not reached the required position, which may lead to various engine-related issues.



Aditech Sp. z o.o. assumes no liability for the use of this part on public roads. It is the customer’s responsibility to ensure compliance with the rules and regulations applicable in their home country. For use in motorsports off public roads.