Question about 2000 Nissan Xterra

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My engine light came on

The code that came up was p0455

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The PO code PO 455 is normally caused bu a gas cap not being tightend, the other causes is a canister purgr vale malfunction or a leaking hose on the fuel tamk or purge canister valve.

Posted on Jul 14, 2009

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Trouble Code: P0455


EVAP Large Leak Detected

Possible Causes:


EVAP purge solenoid is damaged or it has failed

Fuel tank cap is damaged, missing or the wrong part number.(Check the fuel cap). replace if not the factory type.

NVLD switch is damaged or it has failed

Posted on Jul 14, 2009

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Posted on Jan 02, 2017

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SOURCE: What is the trouble code p1684, and p0455.

1684 is 'battery disconnected in last 50 starts' and should shut off after you have used it for 50 more.
0455 is 'Evaporative emission control system leak detected (gross leak)

Posted on Mar 25, 2009

  • 202 Answers

SOURCE: 1999 lincoln navigator obd code p0455

Either the fuel cap, or the evap solenoid on the charcoal canister. I'd start with the fuel cap.

Posted on May 27, 2009

emissionwiz
  • 75822 Answers

SOURCE: OBD 2 codes p0442 and p0455, also smell of fuel from ventalation system

These codes indicate a leak(s) in the fuel system, it can be anywhere, you will have to crawl under and try and see where the leak is, you will need a scanner to turn off the light after repairing the leak(s)

Posted on Sep 28, 2008

alicantecoli
  • 22156 Answers

SOURCE: P0455

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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Code P0455


p0 (USA fed. codes)
455
Evaporative System Malfunction, Gross Leak #1 DTC of all time.......
gas cap missing ,or loose or wrong cap
or any leak in the tank vent system.
tighten cap , reset ECU, drive 20miles, still there.>>>??

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Check engine light is on p0455 is the code whatis it


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