Question about 2001 BMW 5 Series
The system consists of a charcoal cannister that collects gas vapors from the fuel tank. It stores these vapors until certain engine conditions are met, and then a purge valve/solenoid opens and the vapors are used in the combustion process. A faulty gas cap will cause the problem if it is not sealing or venting properly. A bad purge solenoid could also not be allowing the cannister to purge and the cannister could be full.
That's a basic synopsis. Hope this helped and best wishes.
Posted on Jul 25, 2009
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Posted on Jan 02, 2017
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