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Resetting Engine Codes--A Trail?

Discussion in 'Technical Chat' started by tacomaatw, Nov 4, 2009.

  1. Nov 4, 2009 at 4:11 PM
    #1
    tacomaatw

    tacomaatw [OP] Well-Known Member

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    I've only got about 340 miles on my 2010, but I installed a locking gas cap (CST, from AutoZone). Apparently, it threw a couple codes--CEL along with a slip indicator.

    AutoZone checked the codes for me, and there was an emissions leak--likely the gas cap. They gave me a non-vented CST gas cap, but I didn't have them reset the codes so that I could get the slip indicator checked out a the dealer.

    I was worried about the slip indicator, but the dealer said there was no problem. Since I had the locking gas cap, a non-sanctioned Toyota product, I was charged a diagnostic fee (1/2 hour of labor) to check out the emissions problem.

    I would like to keep the locking gas cap. In fact, I haven't even given the new, non-vented cap a chance to work.

    My question: if I buy a code reader and reset the codes myself, will there be a record of codes in the computer that the dealer will see I reset myself? I don't want there to be a warranty issue later, and I also want some security for my gas tank.
     
  2. Nov 4, 2009 at 4:12 PM
    #2
    Brunes

    Brunes abides.

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    Nope...You can reset codes yourself...
     
  3. Nov 4, 2009 at 5:06 PM
    #3
    tacomaatw

    tacomaatw [OP] Well-Known Member

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    I understand I can reset the codes myself, but will there be a trail of old codes for the dealer to find after they've been reset?
     
  4. Nov 7, 2009 at 4:55 PM
    #4
    kevhogaz

    kevhogaz Low Speed, High Drag

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    You're gonna keep getting that code, if you keep that locking gas cap. Emissions systems are very sensitive these days, and it doesn't take much to detect a leak, no matter how small it is.
     
  5. Nov 7, 2009 at 5:38 PM
    #5
    humanoid

    humanoid bite me

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    If you reset the codes the codes won't be stored in the computer. Get rid of the locking gas cap, many owners have had problems with locking gas caps on 2nd gen Tacos for some reason.
     
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