Code help

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Apr 5, 2009 | 09:28 AM

Jay Bee

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From: n. fl.

Code help

I keep geting a "455" code on my Scan gauge, but can't find out what 455 is. HELP JB

Apr 5, 2009 | 06:20 PM

4.2to5.4

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p0455 is a large evap leak could be (bad gas cap , fuel fill line, gas tank it self, or carbon canister) most likely it will be the gas neck or cap when it is a large leak.

Apr 6, 2009 | 06:43 AM

Jay Bee

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From: n. fl.

Thank you, I've changed the cap . Will ck. the neck and tank. Thanks again. Jay Bee

Apr 6, 2009 | 08:25 AM

Good old Bill

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From: Henderson, NV.

More of a question to all than an answer, can vacuum be applied to system to help verify leak or lack of?

Apr 6, 2009 | 03:55 PM

DORMAN68

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From: Pa

check the fuel filler hose or neck.

Apr 9, 2009 | 11:54 AM

4.2to5.4

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Quote:

Originally Posted by Good old Bill

More of a question to all than an answer, can vacuum be applied to system to help verify leak or lack of?

yes if you have a good manual (factory) you can check some of the system.

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