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Check Engine Light-99 A8 4.2

Audi A8 This full sized Audi A8 sedan offers interior luxury and spaciousness comparable to any car in the full sized luxury sedan class

Check Engine Light-99 A8 4.2

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Old 03-03-2010, 09:36 PM
1st Gear
Thread Starter
Join Date: Dec 2009
Posts: 9
Default Check Engine Light-99 A8 4.2

my obd2 scanner reads code P0442
EVAP Emission Contr.Sys.(Small Leak) Leak Detected

Wondering where to start troubleshooting? checked the easiest thing, the gas cap is tight. I erased the code but came back the next day when driving after about 50km. pcv or evap line? any help would be appreciated.
Thanx
 

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