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Registered
2007 Forester XT Sports 4EAT
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541 Posts
Discussion Starter #1
I flashed the economy map onto the Forester XT yesterday, I now have two codes
P1420 Fuel tank pressure control solenoid valve circuit high input
P0448 - Evaporative emission control system vent control high input

Any ideas if this is something I can fix?
 

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Premium Member
2008 XS 4EAT
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9,827 Posts
I can't remember the codes I had on my 99, but I think this will end up being related to the fuel filler neck being rusted out due to corrosion. The 98-02's had this problem. When you're filling up, are you noticing any spillage as if over filled? Pay attention when you are. If that's the case it's fairly straight forward, just get all new clamps and hoses etc. if you are going to change the pipe. When you take the cover off that shields the fuel filler pipe, you'll be amazed at how much crud it retains.
 

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Registered
2007 Forester XT Sports 4EAT
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541 Posts
Discussion Starter #3
it's not rust it's an 07 XT with under 30k miles. I may have squeezed a bit too much fuel in though.
 
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