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International Automotive Technicians Network
2018 Volkswagen Tiguan SE 2.0L MIL Lamp on
Posted to European Driveability on 3/15/2023 4 Replies

We are working on a 2018 VW Tiguan with a 2.0 liter turbo. This is the first time we have serviced this vehicle, so we don't have any history on it. It came in with a P0491 code that we diagnosed as having a sticking check valve, which was very carboned up...

4 Replies Received (View Replies)

  Related Documents & Media  2018 Volkswagen Tiguan SE

 
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car Vehicle Data

2018 Volkswagen Tiguan SE

VIN 3VV2B7AX7J
Engine2.0 L / 4 cyl / GAS
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection / GDI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0491AIR System Performance
Message Closed

car Vehicle Data

2018 Volkswagen Tiguan SE

VIN 3VV2B7AX7J
Engine2.0 L / 4 cyl / GAS
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection / GDI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0491AIR System Performance