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p0455 monte carlo

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waylon83
User

Jan 6, 2011, 11:47 PM

Post #1 of 4 (4537 views)
p0455 monte carlo Sign In

2004
Chevy
Monte Carlo
3.8L
100K

I have been getting a P0455 code for a while. I keep clearing it, and it comes back within a couple of days. I have replaced the gas cap with a new one from the dealer and that didn't help. My gas mileage seems to be going down as well. What are the other possible causes and how can I check them?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 7, 2011, 5:34 AM

Post #2 of 4 (4532 views)
Re: p0455 monte carlo Sign In

You would need to get the system smoke tested to reveal where the leak is.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



gpanderson7631
New User

Jan 26, 2012, 4:39 AM

Post #3 of 4 (3694 views)
Re: p0455 monte carlo Sign In

I am having the same problem with my 2004 Monte Carlo SS. Have you had car checked out yet?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 26, 2012, 4:48 AM

Post #4 of 4 (3690 views)
Re: p0455 monte carlo Sign In

Whatever is leaking on his car isn't going to help you find your leak. If you have a question, you need to start a new question of your own.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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