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Code PO449


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03gmc
01-27-2005, 09:06 AM
Hi i have a 99 van and the engine light came on the other day, I found the code to be PO449. This code has to do with "evaporative emission control vent/solenoid control circuit malfunction".

My question is what is this and where is it, finally how do i fix it?

Thanks

shazie
02-16-2005, 06:08 PM
it could be a complex problem or is just your gas cap isn't tight or your refuel while it was running

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