p0455

Discussion in 'Performance' started by Buck Sr, Mar 8, 2017.

  1. Buck Sr

    Buck Sr Junior Member

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    I need some help please with my 07 cobalt 2.2 liter, with a check engine light and code po 455. after deleting the code I installed a new dealership gas cap, and a purge valve solenoid from auto zone and the light still comes.
    I would appreciate any input.
    I am 62 and still trying to learn about these newer type cars!!!!!
    Thank you
     
  2. jeffsPSEMadness

    jeffsPSEMadness Junior Member

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    Yeah I'm getting the same code and did the same fixes well purge solenoid I did waiting for the gas cap. If it still come on after that. The next thing will. Ring to have a smoke test done. Also check all of your evap lines and make sure not cracked and check your filler tube too. You never know


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  3. Buck Sr

    Buck Sr Junior Member

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    thanks
     
  4. jeffsPSEMadness

    jeffsPSEMadness Junior Member

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    Darn spell check lol. Your welcome


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  5. YelloEye

    YelloEye Super Moderator Staff Member

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    The other possibility is a bad fuel tank pressure sensor. It's on the side of the EVAP canister.
     
  6. Buck Sr

    Buck Sr Junior Member

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    Thanks yello eye. Today my info center showed to check gas cap. I put a brand new one on a month ago. Now what do I do? Is this a process of elimination? I hate to keep buying parts if its not the problem. Should I get a smoke test?
    thanks
     
  7. Buck Sr

    Buck Sr Junior Member

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    Thank you yelloeye. Can you tell me where the evap canister is located so I can find the fuel tank pressure sensor?
    I would really appreciate it.
     
  8. jeffsPSEMadness

    jeffsPSEMadness Junior Member

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    It's the black box looking thing by your gas tank with the plastic lines.
    [​IMG]

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  9. jeffsPSEMadness

    jeffsPSEMadness Junior Member

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    And where the plug is that's the sensor your looking for.


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  10. Buck Sr

    Buck Sr Junior Member

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    Thank you so much Jeff.
    I thought I would have to drop the fuel tank and the info sure helps.
     

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