Originally Posted by
Innes
P0455 Evaporative Emission Control System Leak Detected (gross leak).
Just had a google to see what it is and found these snippits:
"A code p0455 most likely means one or more of the following has happened:
* A loose or improperly affixed gas cap
* A non-conforming gas cap (i.e. not factory/original brand)
* Other leak or damaged piece in EVAP system
Possible Solutions
With a p0455, the most common repair is to:
* Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
* Otherwise, replace the gas cap, and/or
* Inspect the EVAP system for cuts/holes in tubes/hoses (you may hear a vacuum noise or smell fuel), repair if necessary"
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"After several weeks of intermittend codes or P0455, suddenly I could no longer fill the gas tank easily. I had to let gas trickle in.
Dealer mechanic said fuel tank would not pressure test so they replaced my locking gas cap that I used for three years, then it pressure tested okay."
So by the sounds of it it's to do with the pressure escaping from the fuel tank by an ill fitting petrol cap or there could be a seal leak on the fuel tank or fuel line.
Have you noticed the smell of fuel or puddles of fuel? If not then double check your filler cap.
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