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what sensor is these please

Discussion in '1st Gen. Tacomas (1995-2004)' started by nayber, Apr 25, 2009.

  1. Apr 25, 2009 at 12:50 PM
    #1
    nayber

    nayber [OP] Member

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    i thought it was a coolent temp sensor but its a two wire there is only one its a single yellow wire with red stripe that comes out of the hard black plastic wire houseing and clips to a sensor on the back of motor next to a little hose, here is a link to a pic of the sensor thanks for any help casue i cant find it in the book http://i76.photobucket.com/albums/j22/nayber_photos/sensor.jpg
     
  2. Apr 25, 2009 at 1:09 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    Can you take a pic showing more of the engine so I can figure out where exactly it is?
     
  3. Apr 25, 2009 at 1:18 PM
    #3
    nayber

    nayber [OP] Member

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    ya here is another but you cant see it from this angle if you look at the left side (red arrow) if you where to follow that harness behind the motor where it turns goes into the hard plastic cover is where it is when i took the old sensor out there was coolant in the hole but i droped old senor and cant find it now go figure
    http://i76.photobucket.com/albums/j22/nayber_photos/sensor2.jpg
    here is the wire which of course is broke
    http://i76.photobucket.com/albums/j22/nayber_photos/wire.jpg
    the sensor is right next to where this hose connects on motor
    http://i76.photobucket.com/albums/j22/nayber_photos/sensor3.jpg
     
  4. Apr 25, 2009 at 1:30 PM
    #4
    AUDITECH

    AUDITECH Carolina Alliance: LAZY DIVISION

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    does it mount to the block. and if its got coolant in it. then im thinking the temp sensor for the coolant.
     
  5. Apr 25, 2009 at 1:32 PM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    Looks like it is the vaccume switching valve (VSV) for the EGR ......
     
  6. Apr 25, 2009 at 1:33 PM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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  7. Apr 25, 2009 at 1:33 PM
    #7
    nayber

    nayber [OP] Member

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    yes look at new pics the book shows the temp sensor having two wires there is only one coming out of that loom so either i have a wire missing then or its some thing else damn truck thanks
     
  8. Apr 25, 2009 at 1:36 PM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    hmmm....maybe the EGR sensor?????
     
  9. Apr 25, 2009 at 1:39 PM
    #9
    nayber

    nayber [OP] Member

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    after lookin at that diagram looks like it could be the EGR Gas Temp. Sensor but i dont even know what that is so
     
  10. Apr 25, 2009 at 1:44 PM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    Is your CEL on, or do you have any stored codes?
     
  11. Apr 25, 2009 at 1:47 PM
    #11
    nayber

    nayber [OP] Member

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    the truck is a work in progress it was not runing when i got it turned out the timming was 180 off i re did timeing and the check engine light when off however it ran for a few mins then died i think the fuel pump was shorting out. but i think that is the sensor i need (erg) what would happen if it was not hooked up ? thanks
     
  12. Apr 25, 2009 at 1:51 PM
    #12
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    Im thinking it will run rough. If its the EGR, then that sensor is needed to calculate propper Air/fuel ratio on that engine..
     
  13. Apr 25, 2009 at 1:57 PM
    #13
    nayber

    nayber [OP] Member

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    well i looked up the sensor and its got two wires on it two what the hell well at least the pic i looked at im lost, on that dighram you posted is there a differeance between 2x4 and 4x4 mine is a 4x4
     
  14. Apr 25, 2009 at 3:23 PM
    #14
    EnolaGaia

    EnolaGaia Well-Known Member

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    On a 5VZ V6 - if it's got one wire only, and that wire is yellow with a red stripe, it's your water temperature sensor / sender.
     
  15. Apr 25, 2009 at 3:31 PM
    #15
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    This is what I thought, But the water temp sensor is at the Front of the engine......this one he is dealing with is at the rear....:confused:
     
  16. Apr 25, 2009 at 3:44 PM
    #16
    nayber

    nayber [OP] Member

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    see thats what i thought to but this one is in the rear and lookin at the sensor diagrams it looks like it could be the erg temp sensor but i dont know for sure as i dont have one there to compare to new ones
     
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