Question about 2006 Kia Optima

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P0455 My engine light and battery light are on and the diagnostic code is P0455. what needs to be done

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IT SOUNDS LIKE U HAVE MORE THAN ONE PROBLEM. THAT CODE IS USUALLY SET WHEN U HAVE A PROBLEM WITH YOUR GAS CAP OR SOMETHING IN THE EVAPORATIVE GAS PRESSURE VAPOR SYSTEM. MOST COMMON THINGS ARE THE GAS CAP IS LOOSE,AFTERMARKET GAS CAP.

Posted on Aug 01, 2010

  • 'G' Aug 01, 2010

    YOUR OTHER PROBLEM MAY BE A BAD DIODE IN YOUR ALTERNATOR OR ITS ABOUT TO GO BAD. HOW LONG HAS THE BATTERY LAMP BEEN ON

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How have you managed to read this code ?? because the diagnostic plug is under the bonnet on these vehicles ,when i try with a code reader i only get the chassis number and as for the american emmisions test programmes it just tells me this facility isnt supported .So you must have read it from the one under the bonnet not on the OBDII
P0455....Evaporative Emission Control System Leak Detected (gross leak)
now this is what my chart shows for this code which i interpretete as the pump and the connection back to the fuel tank filler pipe

Posted on Aug 01, 2010

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P0050, p0030, p0128, p0401, p0455


there is a code table
hope it can help u and good luck

Mar 19, 2013 | 2006 Pontiac G6

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My 2003 doge g caravan shows engine light on. diagnostic code is p0455. I don't know what that code stands for. could you help me so that I can fix on time


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

Jun 24, 2011 | Dodge Caravan Cars & Trucks

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2006 Ford Fusion 2.3L I4 Engine Check engine light ODBC code is P0455. I have already replaced the gas cap. The computer codes were cleared by disconnecting the battery. The check engine light and same...


If you have already replaced the gas cap then you need to start looking for splits in your evap lines, and the evap canister for your vehicle. This procedure is easier done at a shop then by the DYI due to how many different lines that you have, and you may have a small slice in a line that only opens up under certain conditions. The p0455 is a very difficult code to diagnosis

Jun 06, 2011 | 2006 Ford Fusion

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Code P0455 for nissan xterra 2002 v6


That code if for a leak in the evaporative emissions system. Check you fuel filler cap first. If it isn't on right it will cause this fault code. If that's not it, you'll need a mechanic to test the entire system for leaks.

Apr 30, 2010 | 2004 Nissan Titan

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Engine light came on code is p0455 evap large leak....gas cap was loose ...is this the problem


Here's a little more info on the situation

http://www.obd-codes.com/p0455

Mar 01, 2010 | 2006 GMC Sierra

2 Answers

Check engine light is on p0455 is the code whatis it


P0455 EVAP EMISSIONS SYSTEM GROSS LEAK DETECTED.CK GAS CAP.IF IT IS TIGHT U WILL NEED A SMOKE MACHINE TO CK THE SYSTEM FOR LEAKS

May 04, 2009 | 2003 Chevrolet Silverado 1500

4 Answers

Service engine soon light came on, the codes was p0335 and p0455


Code 455 happens when the gas cap is loose or gone. Replace the gas cap. To get the service engine light to turn off you need to reset the computer by unhooking one of the battery cables and then reattaching it.

Oct 14, 2008 | 2006 Mitsubishi Eclipse

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