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Not much to go on with no codes. Clearly a fuel system problem. Possible causes:
Overfilling/topping off the tank
Bad gas cap (usually causes CEL)
Evap. system problem - bad vacuum tubing/clogged tubing, evap. cannister purge valve (usually causes CEL)
Fuel filter clogged
Anything I missed?
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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