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Fuel tank filler problem

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New User

Jul 10, 2013, 8:47 AM

Post #1 of 2 (1012 views)
Fuel tank filler problem Sign In

2005 Jeep liberty limited
Gas engine
V6, 3.7 L
Purchased in Canada
70.000 miles

I got an OBD2 trouble code P0456 (EVAP, very small leak) and P0457 (fuel cap loose/off).

I tried to change the fuel cap and the problem came back, so I took it to the dealer and he said the next step is to change the “gas fuel tank filler neck hose.” He said he tested it with smoke but won’t tell me were the leak is, just the hose needs to be replaced, $615.00.

Is there some kind of sealer I can use instead of replacing the whole unit and if not, can I do the job myself in a home garage. I’m not an auto mechanic, but I am handy with tools.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 10, 2013, 9:02 AM

Post #2 of 2 (1002 views)
Re: Fuel tank filler problem Sign In

If he has already smoked it and found the leak, then you have to assume he is right. The price does sound a bit steep for a filler hose. You can always get a second estimate from someone else for the same job.


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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