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Check engine light

Discussion in 'Technical Chat' started by NumNutz, May 18, 2009.

  1. May 18, 2009 at 7:28 AM
    #1
    NumNutz

    #1
    NumNutz [OP] One of the original 7928

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    My check engine light came on. The code off my scangauge says P0000. It actually says that there are two codes but only one shows up with a code

    Help me!!!
     
    NumNutz, May 18, 2009
    #1
  2. May 18, 2009 at 8:13 AM
    #2
    98tacoma27

    #2
    98tacoma27 is going full "SANDWICH" Moderator

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    P0000 No Diagnostic Trouble Codes (DTC) Present.

    Try resetting it with the scan tool or the battery and see if one comes back.
     
    98tacoma27, May 18, 2009
    #2
  3. May 18, 2009 at 8:20 AM
    #3
    NumNutz

    #3
    NumNutz [OP] One of the original 7928

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    Okay I'll try that. What if that doesn't do it?

    Why would it have come on in the first place?
     
    NumNutz, May 18, 2009
    #3
  4. May 18, 2009 at 8:22 AM
    #4
    bigguy78619

    #4
    bigguy78619 Well-Known Member

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    i had that happen to me once, is your gas cap on tightly?
     
    bigguy78619, May 18, 2009
    #4
  5. May 18, 2009 at 8:23 AM
    #5
    Bearskill

    #5
    Bearskill Well-Known Member

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    Turn your key to accessory till your milage comes up, then turn it off. Push and hold your odomiter button/post thing, while holding it turn key back to accessory. Instead of milege desplayd should have a bunch of dashes that count down till they are gone. hold till they are all gone and milege comes back up. Dealer showed me this. Eng light is supposed to come on every 5k to remind you to get your oil changed. If you take your ride into a shop they are the ones that reset it, thats prob why you have never seen it.
     
    Bearskill, May 18, 2009
    #5
  6. May 18, 2009 at 8:24 AM
    #6
    bigguy78619

    #6
    bigguy78619 Well-Known Member

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    its not a check engine light, there is a maintenance light that comes up when the oil needs to be changed.
     
    bigguy78619, May 18, 2009
    #6
  7. May 18, 2009 at 8:29 AM
    #7
    NumNutz

    #7
    NumNutz [OP] One of the original 7928

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    Yup your right. I'll try the gas cap. And I'll try the battery thing. Hopefully one will work.
     
    NumNutz, May 18, 2009
    #7
  8. May 18, 2009 at 8:31 AM
    #8
    mws4ua

    #8
    mws4ua I'll try being nicer if you try being smarter.

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    Yeah... "Maint. Required" and "Check Engine" are different. One's annoying, the other is scary.
     
    mws4ua, May 18, 2009
    #8
  9. May 18, 2009 at 8:31 AM
    #9
    chris4x4

    #9
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    If the code is 0000, the gas cap isnt gonna do a thing. Is it the maintinance light, or CEL?
     
    chris4x4, May 18, 2009
    #9
  10. May 18, 2009 at 8:40 AM
    #10
    NumNutz

    #10
    NumNutz [OP] One of the original 7928

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    CEL. What does 0000 mean?
     
    NumNutz, May 18, 2009
    #10
  11. May 18, 2009 at 8:45 AM
    #11
    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.

    It means there is a diagnostic failure. The ECU thinks something is wrong but has not clue what when in fact there maybe nothing wrong.
     
    98tacoma27, May 18, 2009
    #11
  12. May 18, 2009 at 8:47 AM
    #12
    bigguy78619

    #12
    bigguy78619 Well-Known Member

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    damn computers! had happened to the old days where mechanics disgnosed the car by just listening to the problem! LOL, the car used to talk to them!
     
    bigguy78619, May 18, 2009
    #12
  13. May 18, 2009 at 12:40 PM
    #13
    NumNutz

    #13
    NumNutz [OP] One of the original 7928

    Joined:
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    Gender:
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    07 Tacoma 4x4 - Kings, TC, Dakars, broken stuff
    Lots.
    Reset the truck by unplugging the negative and the CEL went off. YAYAYAY

    Thanks Everyone
     
    NumNutz, May 18, 2009
    #13

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