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Old 04-14-2003, 10:27 AM   #1
lbone420
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Member#: 6898
Join Date: May 2001
Chapter/Region: MAIC
Location: contemplating a silent freeway
Vehicle:
2001 Impreza 2.5 RS
Aspen White

Default CEL code P0456

I had Autozone pull the code for me and this is what they found. I can't remember exactly what it delt with but it's something about a small leak. Can anyone tell me exactly what this code means and how to go about resolving the issue. Thanks in advance for any help.
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Old 04-14-2003, 11:17 AM   #2
DanzBorin
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Location: Houston - Downtown Julie Brown
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2015 Outback - Croc
Dundee Edition Ice Silver

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P0456 Evaporative emission control system malfunction

not sure how to fix... might be your gas cap...
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Old 04-14-2003, 11:52 AM   #3
lbone420
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Aspen White

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I have a locking gas cap so I don't think that is the cause. Is it possible that one of my mods are causing this? I have a Ganzflow CAI, K&N Panel filter, and Rallispec 2.25" cat back exhaust.

Danz,
Thanks for the input.
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Old 04-14-2003, 12:00 PM   #4
DanzBorin
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I wouldn't think its any of the above mods...

The code doesn't seem to be of the garden variety Intake or Exhaust CEL...
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Old 04-14-2003, 12:34 PM   #5
lbone420
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2001 Impreza 2.5 RS
Aspen White

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Well I had the dude at Autozone clear the code because I had to have my emissions tested today. I just got back and it passed so that was one of my main concerns. I'm just wondering if this will cause any problems down the road.
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Old 04-14-2003, 01:02 PM   #6
Mulder
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Perhaps your locking gas cap doesn't seal properly even though it locks. Or, there may be a real problem with one of the evaporative system components. You should still be under warranty especially for emission components which are covered for longer than the rest of the car.
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Old 04-14-2003, 02:22 PM   #7
lbone420
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2001 Impreza 2.5 RS
Aspen White

Default

Thank you Mulder.

The truth is out there
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