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2012 Volkswagen Golf 2.5L MIL Lamp on
Posted to European Driveability on 2/7/2026 5 Replies

Hi All. Car came in for its annual emissions test and the check engine light was on. [...] AIR injection insufficient Flow. Checked AIR pump and inspected line between pump and AIR solenoid valve. No problems. Checked AIR solenoid valve and found it was st...

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car Vehicle Data

2012 Volkswagen Golf

VIN WVWBB7AJ3C
Engine2.5 L / 5 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0491AIR System Performance
Open Help Request

car Vehicle Data

2012 Volkswagen Golf

VIN WVWBB7AJ3C
Engine2.5 L / 5 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0491AIR System Performance