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3 pin temperature sensor

This is a discussion on 3 pin temperature sensor within the General Help forums, part of the LSx Technical Help Section category; this might sound dumb but i was wondering if anybody out there could tell me how i could bypass my ...

  1. #1
    Junior Member jasonblinn's Avatar
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    1998 Trans Am WS6

    3 pin temperature sensor

    this might sound dumb but i was wondering if anybody out there could tell me how i could bypass my 3 wire temp sensor on my 1998 trans am?i dont care about the temp gage not working,would just like to make in run good without flooding itself.theres a car show 6 hours from here that i've been waiting to go to,and my sensor just frigged up on me,and i cant get 1 til next thurday right from the dealer.i'm sure theres something that could b done???
    Last edited by jasonblinn; 07-08-2010 at 04:17 PM.

  2. #2
    Senior Member Orcus79's Avatar
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    could try just unpluging it, your fans will run at full speed, and may have reduced power.

  3. #3
    Junior Member jasonblinn's Avatar
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    you think?if it was that easy i'd be happy..lol.i'm thinking putting a 2 pin sensor,like off a 99,with the plug in ofcourse,lol,just leave the 1 wire unhooked?maybe hook up my fans direct?its only temporarily.i just put a rebuilt LQ9 motor in it and dont want to ruin that

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    Veteran 0rion's Avatar
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    06 duramax

    are you talking about the coolant temp sensor in the head? All the parts stores around here carry them. You'll need it or your closed loop fueling will be screwed up. No way to bypass it that I know of.

  5. #5
    Senior Member Orcus79's Avatar
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    you will now pretty quick, I just did plugs on my 02, and forgot to to plug the sensor back in. When I shut the car off, after doing a test fire, my fans were at full speed
    If your fans run you will fine

  6. #6
    Junior Member jasonblinn's Avatar
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    Quote Originally Posted by 0rion View Post
    are you talking about the coolant temp sensor in the head? All the parts stores around here carry them. You'll need it or your closed loop fueling will be screwed up. No way to bypass it that I know of.
    yes the temperature sensor in the head,on the drivers side.no stores around here carries the 1 i need,they have all kinds of the other 1s,with only 2 wires.the closest 1 from here is in ontario,thats 2 days drive from here..lol

  7. #7
    Moderator Cutlass's Avatar
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    unplugging it will probably set a code and put the car into some sort of limp mode but it should be sort of drivable. The problem is that the coolant temp sensor affects so many things.

  8. #8
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    Your lucky if it cranks at all with that sensor bad. Your AFR is gonna be way off. I got mine at the dealship for about $20.00 if I remember right.

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