Threw this code today P0455
May 8, 2007 | 12:13 AM
Joined: Apr 2007
Posts: 24
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From: Wisconsin
Threw this code today P0455
Now what
P0455 (M) Evap Leak Monitor Large Leak Detected A large leak has been detected in the evaporative sysem.
May 8, 2007 | 12:19 AM
Joined: Jun 2006
Posts: 4,186
Likes: 2
From: Reno, NV
RE: Threw this code today P0455
Get under the Dak and start following your fuel lines looking for cracks or holes. The most common area for this to happen is in the filler neck so check there first.
May 8, 2007 | 12:24 AM
Joined: Jul 2005
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RE: Threw this code today P0455
new gas cap correct...? mine threw that fora cap, well that and i always filled up with gas when the truck was runnin..
May 8, 2007 | 12:28 AM
Joined: Jun 2006
Posts: 4,186
Likes: 2
From: Reno, NV
RE: Threw this code today P0455
Cap is usually a small leak.
May 8, 2007 | 12:31 AM
Joined: Jul 2005
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RE: Threw this code today P0455
this is correct, but never know...easy fix if it hasnt been done people dont know that filling whrn running would cause this too..
May 8, 2007 | 04:19 AM
Joined: Jan 2007
Posts: 140
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From: pacifica, CA
RE: Threw this code today P0455
correct me if im wrong but last time i checked, the evaporator was part of the ac system, not the fuel system
May 8, 2007 | 02:29 PM
Joined: Sep 2005
Posts: 6,645
Likes: 3
From: ontario, canada
RE: Threw this code today P0455
Quote:
ORIGINAL: imnothot02
this is correct, but never know...easy fix if it hasnt been done people dont know that filling whrn running would cause this too..
filling up with the truck running could cause alot more then a code
what gas station lets you keep the truck running?
but it could be a bad hose to your charcoal canister.
May 8, 2007 | 11:57 PM
Joined: Dec 2006
Posts: 283
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From: Jordan, Ontario
RE: Threw this code today P0455
I had the same code, my hose by the emissions evap service valve was cracked, so i cut off an inch from the end, reset the computer and was good to go.
May 9, 2007 | 01:57 AM
Joined: Apr 2007
Posts: 111
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RE: Threw this code today P0455
would a vacuum line cause that code to appear? either one falling off or cracked?
May 9, 2007 | 10:18 PM
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RE: Threw this code today P0455
yes..