P0422: Eval code, or gas cap?

 
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mguzzoOffline
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Michael Guzzo
1998 Grand Prix GTP
Joined: 03 Oct 2003
Location: in front of you
Age: 57
PostPosted: Sun May 14, 2006 2:49 pm    Post subject: P0422: Eval code, or gas cap? Reply with quote

just got a MIL and P0422 is the code. (Small EVAP leak) Is this the loose gas cap code? Or should I start looking for cracked vacuum lines?
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1998 Silvermist GTP Coupe
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1998 True Green Metallic GTP Coupe
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1998 True Green Metallic GTP Sedan (retired)
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studderinOffline
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John Csotello
1998 Grand Prix GTP
Joined: 01 Oct 2003
Location: 2nd gear burnouts
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PostPosted: Sun May 14, 2006 10:08 pm    Post subject: Reply with quote

I think its just a leak in general of the system. #1 is gas cap, Id say. #2 rubber tubing end. #3 the evap quick connect nipple got craked.
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GreystarOffline
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Pat
2002 Other Car
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PostPosted: Sat May 20, 2006 4:57 am    Post subject: Reply with quote

Gas Cap bubba! Most common code EVAR!
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mguzzoOffline
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Michael Guzzo
1998 Grand Prix GTP
Joined: 03 Oct 2003
Location: in front of you
Age: 57
PostPosted: Sat May 20, 2006 8:18 am    Post subject: Reply with quote

it came back Sad

I checked under the hood, everything looks in good shape. I'l trace the lines back to the canister and see whats up. But I have a little but of rust around the filler neck. maybe the cap isnt seating right.
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