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Weird noise from engine

Discussion in '1st Gen. Tacomas (1995-2004)' started by bournesto33, Mar 25, 2019.

  1. Mar 25, 2019 at 8:05 PM
    #1
    bournesto33

    bournesto33 [OP] Member

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    I have a 02 Tacoma with 210k miles. I noticed this noise a few months back but it is getting louder, I have the OBD II Bluetooth and everything in green minus the P0420. Gears don't slip, and the truck has plenty of power any advice would be greatly appreciated.

    https://www.youtube.com/watch?v=R21Lg_aue1c
     
  2. Mar 26, 2019 at 5:34 AM
    #2
    bournesto33

    bournesto33 [OP] Member

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    Obd2 at idle

    Screenshot_20190326-072834_Torque.jpg
    Screenshot_20190326-072645_Torque.jpg
    Screenshot_20190326-072602_Torque.jpg
     
  3. Mar 26, 2019 at 5:35 AM
    #3
    CanisLupus

    CanisLupus Member since 2011

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    Matt
    Greensboro | NC
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    Might be pulleys, use a mechanic's stethoscope to isolate noise

    Matt
     
  4. Mar 26, 2019 at 5:37 AM
    #4
    Benny123

    Benny123 Kid from the late 70s

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    Ben
    South Charlotte, NC
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    Replacing everything worn, broken, and rusted.
    Sounds like a bearing. Id open the hood and take another video. Then use a mechanic stethoscope to isolate it.
     
  5. Mar 26, 2019 at 5:45 AM
    #5
    bournesto33

    bournesto33 [OP] Member

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    T4 I'll post another here are the fault codes

    Screenshot_20190326-074039_Torque.jpg
     
  6. Mar 26, 2019 at 6:50 AM
    #6
    bournesto33

    bournesto33 [OP] Member

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  7. Mar 26, 2019 at 6:54 AM
    #7
    MikeWH

    MikeWH Well-Known Member

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    Colfax, CA
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    Following as I have a similar noise and just got the same code (lean) twice. My noise isn’t as bad, but I have not been able to isolate it yet.
     
  8. Mar 26, 2019 at 7:24 AM
    #8
    Glamisman

    Glamisman Well-Known Member

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    take all of the belts off and see if the noise goes away first. You wont hurt anything running it for the 20 seconds with the belts off.
     
  9. Mar 29, 2019 at 7:53 AM
    #9
    CanisLupus

    CanisLupus Member since 2011

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    Matt
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    Definitely sounds like pulleys grinding. Use a mechanic's stethoscope on each idler and pulley and see where it makes noise

    Matt
     
  10. Mar 29, 2019 at 10:58 AM
    #10
    pasadenageek

    pasadenageek Toyota fan

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    Michael
    Pasadema, TX
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    do NOT trust the Torque code definitions - look up the codes in Haynes/Chilton manual - I had a P0140 that Torque said was a MAF sensor that was really an O2 sensor according to the Chilton book.



     
  11. Mar 29, 2019 at 8:33 PM
    #11
    MikeWH

    MikeWH Well-Known Member

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    I stethoscoped mine today. Feels like it’s coming from water pump area. I need to do timing belt anyways so looks like it’s time to make that happen!
     
  12. Mar 31, 2019 at 8:15 AM
    #12
    sramirez1516

    sramirez1516 Saul R.

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    None
    I had the same sound. It came from the AC pulley I removed the belt to see if i was right and I was. Check for red dust around the pulleys that's the best giveaway. The belt was too tight which is why it happened.
     

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