Question about 2002 Suzuki XL-7

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Check engine light is on

I was given code number 0455 in reference to why the engine light is on in my car, it gets shut off and then it comes back on again. What is this code mean?

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P0455 - Evaporative Emission Control System Leak Detected (no purge flow or large leak)

What does that mean? 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

Posted on Sep 17, 2008

  • 1 more comment 
  • Shirley
    Shirley May 30, 2014

    I've been having this exact problem for quite time now. I've replaced the gas cap, that didn't work. I was then told by numerous people that it

  • Shirley
    Shirley May 30, 2014

    it's probably the Purge Valve, so I went out and got a Valve they gave me the work one, Apparently it was suppose to be a Canister Purge Value,. Now I read that it may be the hoses, is there any particular area that I should check the hoses??? I'm no expert!!!! TX

  • Shirley
    Shirley May 30, 2014

    That's some time and wrong one not work one..Sorry

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