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Dodge Repair/PO455 Code 2002 Dodge Neon

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Question
My 2002 Dodge Neon had the check engine light come on.  It pulls a PO455 code Evaporatie Emission System Leak Detected Gross Leak/No Flow).  Do you know where I should start looking for the problem?  Thanks, Dennis

Answer
Hi Dennis,
A loose gas cap can cause this so be sure that the cap it in good condition and tight.
Basically, it involves looking over all tha parts and hose connections that constitute the vapor recovery system. The best thing I can share with you are the pages the describe and show the system in detail so that you can use that as a 'road map' to check over the system for a loose/cracked hose or damaged component. I can send you the pages from the manual which show the system as an attachment to an email that I will send to you directly. Use a follow-up question to tell me your email address but don't use the @ symbol, instead us 'at', otherwise the address will be automatically erased.
Please 'rate' my answer (see the PS below).
Thanks,
Roland

Dodge Repair

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Roland Finston

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Get a Free Fast answer to your repair question about a Chrysler/Dodge/Plymouth car, minivan, SUV, or truck. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty. This free troubleshoot advice forum helps you diagnose faults, minimize repair costs or do-it-yourself.

I answer questions seven days a week and respond to you in about 30 minutes. "Maxed Out" means I am answering another question or asleep overnight so try again later.

I have do-it-yourself experience (50+ years) and a library of 100 1982-2012 Chrysler factory shop manuals and 20 multi-manual Chrysler Corp. CD's.

I was voted "Top expert" from 2010-2015 here at AllExperts, and have answered 20,000+ questions.

Experience

Five decades as a 'do-it-yourselfer' on domestic and imported cars

Organizations
Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

Education/Credentials
Degrees in Physics/bruised knuckles.

Awards and Honors
"Top expert" of 2010, 2011, 2012, 2013, 2014, and 2015 here at Allexperts. Quickest "average response time" at Allexperts (currently no. 1).

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