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    Thread: 2007 Aveo EVAP P0496 HELP!

    1. #1
      What's wrong with my car?
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      2007 Aveo EVAP P0496 HELP!

      I have an inspection scheduled for next week and wouldnt you know it, i got a check engine light yesterday for code P0496 - EVAP flow during a non-purge condition.

      I have been smelling gas occasionally, but not constantly, the past few weeks.

      I checked the canister vent solenoid by putting power to it and it seems to open and close just fine.

      I also checked the voltage on the connector going to the solenoid, and I got no voltage either with the key on or the car started. I'm not sure of when there should be power applied to the solenoid, but I would imagine it is almost always powered to keep the solenoid closed.

      Anything else easy for me to check? Is there a seperate purge solenoid, or is that the same as the canister vent solenoid?

      I want to test the fuel tank pressure sensor, but I think it would require dropping the fuel tank, which I can do if I need to.


      Thanks!


      Last edited by blawson; 03-17-2012 at 09:10 PM.

    2. #2
      I'll keep it and add a turbo Pontiac1976's Avatar
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      I not sure but did you check the gas cap to make sure it tight, or is sealing right.
      Would like two here your out come.
      PONTIAC1976


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    3. #3
      What's wrong with my car?
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      I did check the gas cap, it clicked when i tried to tighten it up. So it was on tight, the seal seemed clean, as well as the lip on the filler.
      I did get gas a day or 2 before the light came on.

      I still need to clear the code and see if it reoccurs.



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