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2021 Mini Cooper John Cooper Works 2.0L MIL Lamp on
Posted to European Driveability on 3/9/2026 2 Replies

Car came about 6 months ago check engine light on just wanted it scanned ? (parts store said it was a gas cap)I didn't right the code down , now it's back ,scanned it noted codes ,(this time) removed gas cap done a smoke test into tank nothing , went to fr...

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Message Closed w/FIX

car Vehicle Data

2021 Mini Cooper John Cooper Works

VIN WMW73DH05N
Engine2.0 L / 4 cyl / GAS
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsNot OBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

11800Intermitant mixture control rich
11840Intermintant mix to rich devation to high
19030Permanant diagnostic for tank leaks nvld fuel tank vent system mico-leak greater than 0.5 mm detected
Message Closed w/FIX

car Vehicle Data

2021 Mini Cooper John Cooper Works

VIN WMW73DH05N
Engine2.0 L / 4 cyl / GAS
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsNot OBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

11800Intermitant mixture control rich
11840Intermintant mix to rich devation to high
19030Permanant diagnostic for tank leaks nvld fuel tank vent system mico-leak greater than 0.5 mm detected