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post #1 of 4 (permalink) Old 02-17-2010, 11:41 PM Thread Starter
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P0446

Greetings! I'd appreciate any help very much. I have an '07 G6 sedan 3.5. CEL came on last week. Had it read at autozone, and it is P0446. I tried a search here and came up empty. Has anyone here encountered this code before? The guy said it was some sort of "evap" code. I haven't really noticed any odd behavior, and I checked my gas cap right away.
Appreciate it, fellas!
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post #2 of 4 (permalink) Old 02-18-2010, 07:14 AM
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look here...http://www.obd-codes.com/p0446

2007 PONTIAC G6 GT

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post #3 of 4 (permalink) Old 02-19-2010, 11:10 AM
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Since you've already checked the gas cap, it could be possible that it might do it. The EVAP system can detect a break in the system as small as a few millimeters, so if the gasket on the cap has a tear or wasn't seated properly, it could set it off.

If that isn't it, then I would check the vent solenoid. I forget where the vent solenoid is located. It's either in the engine compartment or housed near the gas tank. The solenoid (and valve) isn't too expensive, but it's just getting it replaced. Rockauto shows the solenoid and the valve at ~$16 each. I would also check the wiring to the solenoid. If it's frayed or damaged, it'll probably throw the code as well.
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post #4 of 4 (permalink) Old 02-20-2010, 10:33 AM Thread Starter
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Thanks for the input!
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