Question about Ford Fusion
Why is my 2010 ford fusion is throwing code po455. no gas cap is required.
P0455 is Evaporative Emissions System Leak Detected (Large) and means that there is a large leak in the system probably with one of the EVAP hoses near the fuel tank or EVAP canister or maybe even A leaky purge valve.
Posted on May 06, 2014
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Posted on Jan 02, 2017
I had a check engine light on for my gas cap. I fueled up and sometimes it would say "check gas cap" So i just plugged it in under the steering wheel and cleared the check engine light from my dash board. So far so good.
Posted on Apr 10, 2009
A code 455 most likely one or more of the following has happened
a loose or bad gas cap
a non-conforming gas cap
other leaks or damage pieces in the evap system
Inspect the evap system for cracks or breaks in lines listen for vacume leaks or strong gas fume smell and fix all lines you find that are damaged ..I know you say you put a new gas cap but make sure it a conforming cap..Hope this helps
Posted on Nov 14, 2009
Testimonial: "Thank you!! I will def. tell my husband to check it out!! Thats the only code that comes up. So I hope this will help."
EVAP Codes. You will have to go thru entire evap system,looking for a small leak (po442) Hoses,Switches,Valves etc. See if you can borrow a smoke machine.
Posted on Mar 16, 2010
SOURCE: KEYLESS ENTRY CODE FOR 2010
They are all different. The only way to get that code is out of the owners manual on a card that comes with it or at a Ford dealership where they can put their diagnostic computer on it and pull up the code.
Posted on Mar 02, 2011
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