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Monte Carlo & Lumina Since the 1970s, the Monte Carlo has been an icon of American stock car racing. A 4-door version, the Lumina, was produced in the late 90's.
Platform: A-, G-, & W-body

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Old 09-05-2008, 09:29 PM
CF Beginner
Join Date: Dec 2007
Posts: 11
Default po455 code

hello guys have a 2004 monte carlo with a po455 code large emissions leak I replaced the gas cap hoping that was the case but is still there anyone else have or know of someone who has this issue any help is appreciated thanks.
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Old 12-26-2008, 08:40 PM
Join Date: Dec 2008
Posts: 4
Default RE: po455 code

the issue with theys codes is that unless you have toe code reader or know how to reset the codes by the key they will stick around fora little while even after you have fixed what ever the problem was
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