Check engine light P0449 on and off
I recently just had the CEL come on with a p0449 code: Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction. I was planning on taking to the dealer Tuesday but after being on for about a day and a half the CEL turned off. I'm curious if the CEL turning off after being on means that the problem doesn't exist anymore? I thought maybe the 2 straight weeks of rain from Hurricane Sandy could have caused some electrical problem to show this error then maybe turned off when it was completely dry. I would much rather skip the 500 dollar repair if there is no major problem. Any help at all would be greatly appreciated, thanks!
I also had this problem about 6 months ago the code was P0306:Cylinder 6 Misfire Detected. The CEL also turned off after about 10 minutes of being lit, so I end up ignoring it.
Last edited by Travo; 11-15-2012 at 04:49 PM.
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