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post #1 of 5 (permalink) Old 12-19-2014, 09:23 AM Thread Starter
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Anyone know what the common causes of P0455 are on this vehicle?

Already tried replacing the fuel cap.

Thanks.
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post #2 of 5 (permalink) Old 12-19-2014, 07:13 PM
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This indicates a fuel vapor leak or lack of purge flow in the EVAP control system. It means a large leak has been detected. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine. Symptoms You likely won't notice any drivability problems. Causes 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 Sources: B. Longo

Read more at: http://www.obd-codes.com/p0455
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post #3 of 5 (permalink) Old 12-19-2014, 07:20 PM Thread Starter
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I was looking for something common to this vehicle. I have already read the generic descriptions.

Thanks anyway, though.
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post #4 of 5 (permalink) Old 12-20-2014, 05:46 PM
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Yup, check the filler neck for excessive rust. Got rid of that code when I replaced my filler neck. reached in to feel for rust and part of it stayed in my hand. Knew then I had to replace filler neck.
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post #5 of 5 (permalink) Old 12-23-2014, 07:16 AM Thread Starter
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<div class='quotetop'>QUOTE (Outy @ Dec 20 2014, 05:46 PM) <{POST_SNAPBACK}></div>
Quote:
Yup, check the filler neck for excessive rust. Got rid of that code when I replaced my filler neck. reached in to feel for rust and part of it stayed in my hand. Knew then I had to replace filler neck.[/b]
Is there a "how to" for the replacement kicking around somewhere?

Can it be inspected without removing the rear wheel? I took a peek in there yesterday and it looked like the cover could probably be easily removed without too much effort.
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