Is my TPS bad ? - FirebirdV6.com/CamaroV6.com Message Board

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  • Is my TPS bad ?

    Unless anyone here has another solution, i believe i need another throttle body as the TPS is built in. Even when accessible, i cannot find a replacement part. :(

    The problem is my Throttle Position Sensor. When i am accelerating(generally hard) my car will overrev to around 5500-6000 and then shift fairly hard. It also hesitates/stalls/hunts-for-the-gear when i push for initial/additional acceleration. The other day on the interstate, it threw a code in second when it overrevved. The code came up as a prob w/ the TPS(i will have to find the code again, don't remember it) Upon scanning the car and checking the TPS, the throttle is @ 10% in park w/ key in ON. This is fairly off from the normal 2.5-5%(?). It does rise to 100% when the pedal is to the floor.

    Now, the conflicting problem. I recently dropped my trans pan and replaced the fluid in the pan(DexIII) and the filter(the right filter :tup:). Since then, the car has done what it has been doing. Coincidence?
    Last edited by KJ4860; 04-09-2008, 04:03 PM.

  • #2
    Re: Is my TPS bad ?

    You need to post the year of the car.
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    • #3
      Re: Is my TPS bad ?

      woops haha..

      2000 Camaro 3.8

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      • #4
        Re: Is my TPS bad ?

        Sounds more like a transmission issue then a TPS issue. What is the TPS reading at idle with the motor running?
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        • #5
          Re: Is my TPS bad ?

          still at 10%

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          • #6
            Re: Is my TPS bad ?

            Which code did it throw?
            Y87 Package
            MANUAL CONVERTED, Pro 5.0 Shifter
            Pacesetters, Magnaflow Cat, Cutout, Flowmaster

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            • #7
              Re: Is my TPS bad ?

              Sounds like you have tranny issues.
              Let's flip a coin. Heads I get tail, Tails I get head.

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              • #8
                Re: Is my TPS bad ?

                Again, i dont recall what code it threw. I will have to cause it again.


                Could it be a tranny issue due to some complication from my replacement of the fluid and filter from the pan?

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                • #9
                  Re: Is my TPS bad ?

                  Did the problems start after you changed the filter and fluid?
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                  • #10
                    Re: Is my TPS bad ?

                    Yes. It happened almost immediately after i changed it.

                    I will admit that I was kind of praying it wasn't transmission related. I may have a minor problem with my TPS but i defiantly also have a trans prob :(

                    So what could be the problem ? Should i just go and let a shop do a full trans flush?
                    Last edited by KJ4860; 04-10-2008, 12:48 PM.

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                    • #11
                      Re: Is my TPS bad ?

                      I would make sure the filter is in place right. AND that you used the correct type of fluid.
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                      • #12
                        Re: Is my TPS bad ?

                        Alright i will check this out. Just making sure: DextronIII ?

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                        • #13
                          Re: Is my TPS bad ?

                          Yes. I would also clean the MAF sensor. Oil on that has been known to make the PCM act weird.
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                          • #14
                            Re: Is my TPS bad ?

                            I've done that recently :tup:

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                            • #15
                              Re: Is my TPS bad ?

                              Have you tried unplugging the MAF and driving it?
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