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Old 10-31-2013, 09:42 PM
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nakman nakman is offline
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Join Date: Aug 2005
Location: north side
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Default more VW tech - 1.8t

Have a CEL on the Passat. PO456 - Powertrain. Evaporative Emission Control System Leak Detected (very small leak)

found a thread that suggests a purge valve http://forums.audiworld.com/showthread.php?t=2375447.

I poked around and did some jigglin' but didn't really find anything. Unfortunately all those hose clamps are the crimp style, they don't have screws on them to tighten.. guess I could smash them all with pliers for grins.

Found another site that suggested a faulty gas cap. Given that I passed emissions about 2 months ago, I'm thinking that's not it.. though guess it could be.

Any chance someone here has fixed this before?
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