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Subject: "Code Po455 - EVAP Emission System Control Leak - (Large)" Previous topic | Next topic
YessongTue Aug-10-10 08:07 PM
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"Code Po455 - EVAP Emission System Control Leak - (Large)"


          

This is the code I am getting from my reader as a result of the Check Engine Light - how do I tell what I need to Fix/Replace...and...any siggestions where the parts ,ight be gotten from would be helpful.

Thanks!

98 LSC - 94,000 miles

  
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FlagracerWed Aug-11-10 12:30 PM
Member since Aug 31st 2007
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#1. "RE: Code Po455 - EVAP Emission System Control Leak - (Large)"
In response to Reply # 0

          

try reseating the gas cap, it may take up to 100 miles of driving once the leak is gone before it will rerun the test that turns that light off. Usually thats the "leak".

formerly ASE certified, still skin my knuckles
98 Mark VIII Silver

  
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YessongWed Aug-11-10 12:32 PM
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#2. "RE: Code Po455 - EVAP Emission System Control Leak - (Large)"
In response to Reply # 1

          

HMMM - could it really be that easy? Guess I'll try it and clear the codes to see if it comes back - thanks - I'll post the results when I have 'em

  
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FlagracerThu Aug-12-10 05:29 PM
Member since Aug 31st 2007
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#3. "RE: Code Po455 - EVAP Emission System Control Leak - (Large)"
In response to Reply # 2

          

please let us know, it's always nice to confirm what works.

formerly ASE certified, still skin my knuckles
98 Mark VIII Silver

  
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YessongThu Aug-19-10 08:34 PM
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#4. "RE: Code Po455 - EVAP Emission System Control Leak - (Large)"
In response to Reply # 3

          

Well - lo and behold the cap was barely on - I tightned it down and 5 days later the light turned itself off!!!

YEEEEE HAAAWWWW!!!


Thanks for the terrific advise - never had such an easy fix.

  
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