Description
The combination (Kombi) valve on the VW 2.5 engine controls the secondary air injection going to the exhaust system. This system allows the vehicle to heat up the catalytic converter on cold start to reduce emissions. If you have a check engine light on for this you will need to fix this problem to pass inspection. This quality OEM part is just what you need to replace your faulty 2.5L 5 cylinder combination valve.
Faults Sometimes Related to a bad 2.5 Combi Valve
P0411 – Secondary air injector, incorrect flow
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