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Installing a throttle position sensor

This is a discussion on Installing a throttle position sensor within the External Engine forums, part of the LSx Technical Help Section category; Any one know how to install a throttle position sensor on a 1994 Trans am? I took the old one ...

  1. #1
    Junior Member 454transam's Avatar
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    2002 Trans am

    Installing a throttle position sensor

    Any one know how to install a throttle position sensor on a 1994 Trans am?
    I took the old one off yesterday & installed the new one last night, but I am having problems.

    I installed the new one last night, after cranked it started idling at 1500 rpm, & after giving it some throttle, it jumps up to 2000 rpm, & stays. I usually have the t/a idled at 700-800 rpm.

    Any one might know what the problem is? Or have i done something wrong while installing for it to jump to such a higher rpm?


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    did you unhook the sensor then turn the key to the on position for one min; the turn off rehook the sensor then see if it idles correctly.

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    The Silver Bullet LS1_ws6's Avatar
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    1999 Trans Am

    I had this problem about a month ago, all I did is just adjust it move it around and hope you dont break it. I broke mine they cost 45 buck at autozone but it worked. Did you just install the tps sensor of did you also get a throttle body?

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    NY Representative basballny2's Avatar
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    subscribing

  5. #5
    Junior Member 454transam's Avatar
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    2002 Trans am

    I just had to replace the Mass air flow sensor & the MAP sensor because it wouldn't
    idle & kept dieing sputtering/coughing etc... & after i replaced them, the car idled perfectly, but when i would get in it, or simply try to get on the high way it would be hesitant in a way, kind of a sputter too, so that's why i replaced it.

    Oh & thanks for the help!
    Turns out i had the right idea, but there was a hose with a clamp right under the sensor & it would not let me rotate it as far as i needed too. So i got that out of the way & it is now idling perfectly!!

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