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Check Gas Cap with P0440 Evap Emission System Code on my

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Old 05-18-2006, 07:27 AM
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It feels good to find something like that on your own, doesn't it Dave?
Old 06-11-2006, 12:03 AM
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Default P0440 Code on my 2001 SSEi

Looks like I finally found the problem. I replaced the EVAP Purge Valve, located on the engine, and it has been code free for six days now. I was starting to just replace the most likely parts and the first one I replaced was the one that fixed it.
The EVAP Vent Valve, located by the canister at the rear of the vehicle, was going to be the second one that I would have replaced. The third one would have been the EVAP Solenoid located on the canister itself.
I am crossing my fingers though, because it came back seven days after seating the line on the canister. The line actually pushed in about a half inch and made a clicking sound so I thought I had the problem licked.
Old 06-11-2006, 04:55 AM
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Dave, glad to hear you resolved the problem. What failed on the purge solenoid valve, just curious?
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