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Old 10-06-2009, 07:41 PM   #1
Scooby Newbie
Member#: 216995
Join Date: Jul 2009
Location: Monmouth County, NJ
2002 WRX Wagon

Default Cel P0442

I have an '02 WRX with Cobb AP (stage 2, 93 Oct), catless Uppipe and Cobb highflow catted downpipe. Still have stock exhaust from donut gasket back. I keep getting the following CEL:
P0442 Evaporative Emission Control System Leak (small leak).
I keep resetting the code and it keeps coming back. I thought it might be that the gas cap was not on tight but I've filled it up 3 times and double check the cap each time.
Any thoughts on what might be causing it? Any ideas as to where to look for the leak?
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Old 10-06-2009, 07:52 PM   #2
Scooby Newbie
Member#: 195425
Join Date: Nov 2008
2004 WRX


check the actual evap canister itself,to if everything is tight,if you dont know where that is its at the back of the car,passenger side,black rectangle looking guy.
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