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DTC Codes 16502 & 16840
Posted to Technical Discussion Forum on 3/3/2012 9 Replies

This is a turbo (awm) motor the vehicle has 100k miles. No drivability issues. Fuel Cap lamp comes and goes. CEL comes on and stays on. 16502 very small leak detected. I have done a smoke test at the filler neck but no leaks on the lines or at the canister. Th... Login to read more.

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car Vehicle Data

2004 Volkswagen Passat GL 1.8L

Engine1.8 L
Trans5-speed Automatic (Electronic)

car Vehicle Data

2004 Volkswagen Passat GL 1.8L

Engine1.8 L
Trans5-speed Automatic (Electronic)