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1st Gen CEL help

Discussion in 'Technical Chat' started by Gr8WhiteTaco, Mar 15, 2011.

  1. Mar 15, 2011 at 11:50 AM
    #1
    Gr8WhiteTaco

    #1
    Gr8WhiteTaco [OP] bishes love my haircut

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    Aaron
    Knoxville, TN
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    2005 Mazda 3S hatchback
    Alrighty guys, here's the deal. My truck keeps lighting up the CEL at low speeds. I'm talking about less than 20 mph and idling through parking lots. I'm not really sure whats triggering it, but noticed it lately. My uncle has an OBD scanner tool so if need be, I can drive it out there and get the exact codes. The truck doesn't act up at all, no smells or anything. So has anyone been in this situation, what am I looking at fixing? Any help is appreciated.
    Truck is 3.4L 4x4 TRD auto with 143,xxx miles.
     
    Gr8WhiteTaco, Mar 15, 2011
    #1
  2. Mar 15, 2011 at 12:00 PM
    #2
    The End

    #2
    The End Support our troops!

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    Tim
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    If you are local to Advance auto parts they will check it for free and then you can just check the code on google.
     
    The End, Mar 15, 2011
    #2
  3. Mar 15, 2011 at 12:03 PM
    #3
    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Get the codes, otherwise it's a crap shoot.
     
    98tacoma27, Mar 15, 2011
    #3
  4. Mar 15, 2011 at 12:36 PM
    #4
    Gr8WhiteTaco

    #4
    Gr8WhiteTaco [OP] bishes love my haircut

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    2005 Mazda 3S hatchback
    Took it out to my uncle's car lot to see what it's saying and this is what I got
     
    Gr8WhiteTaco, Mar 15, 2011
    #4
  5. Mar 15, 2011 at 12:43 PM
    #5
    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Bad AFR sensor. It would be a good idea to change both that one and the rear sensor. You can get them cheap and quick at www.rockauto.com They have a member discount in their vendor section. Get the Denso as they're OEM. Toyota's don't like Bosch or universal sensors.
     
    98tacoma27, Mar 15, 2011
    #5
  6. Mar 15, 2011 at 12:46 PM
    #6
    Gr8WhiteTaco

    #6
    Gr8WhiteTaco [OP] bishes love my haircut

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    Cool deal. So this is just usual wear parts going bad with age right?
     
    Gr8WhiteTaco, Mar 15, 2011
    #6
  7. Mar 15, 2011 at 12:49 PM
    #7
    98tacoma27

    #7
    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.

    Correct. That's why I advise you do the rear one also. You don't have to, just my .02
     
    98tacoma27, Mar 15, 2011
    #7
  8. Mar 15, 2011 at 12:50 PM
    #8
    Gr8WhiteTaco

    #8
    Gr8WhiteTaco [OP] bishes love my haircut

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    2005 Mazda 3S hatchback
    Thanks Ben!!! :thumbsup: :D
     
    Gr8WhiteTaco, Mar 15, 2011
    #8

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