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Throttle sticking/hanging

This is a discussion on Throttle sticking/hanging within the General Help forums, part of the LSx Technical Help Section category; the tps is the bottom sensor on the drivers side of throttle body, also you might check and see if ...

  1. #21
    Member foxman92's Avatar
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    the tps is the bottom sensor on the drivers side of throttle body, also you might check and see if the bolts holding it on are loose.. also hex bolts..

  2. #22
    Undertaker During the Day SpinsB's Avatar
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    screw me sideways, the IAC has a hex bolt loose and its stripped out. Funny thing is the sensor its self is not loose.??

  3. #23
    Junior Member johno's Avatar
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    I just order one my self. i get it next week i will let you know if that works..ps my sticks
    @ 2000 so i feel your pain.

  4. #24
    Member foxman92's Avatar
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    Quote Originally Posted by johno View Post
    I just order one my self. i get it next week i will let you know if that works..ps my sticks
    @ 2000 so i feel your pain.
    funny thing is my car will idle up to 2000, and sit there until i make a complete stop.. ive changed all sensor's, and no good.. so now im just going to have the car tuned, and have them fix it with the tune..

  5. #25
    Undertaker During the Day SpinsB's Avatar
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    how much was the new IAC

  6. #26
    Member foxman92's Avatar
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    $115 lifetime warranty..

  7. #27
    Junior Member johno's Avatar
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    did your car stick @2000rpm to foxman94 if so did the iac fix it.

  8. #28
    Member foxman92's Avatar
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    Quote Originally Posted by johno View Post
    did your car stick @2000rpm to foxman94 if so did the iac fix it.
    yes my car has the stick, but its only every once in awhile.. and the IAC helped it out alot.. but im leaning towards changing the tps as well..

  9. #29
    Junior Member johno's Avatar
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    hello foxman92, I just put in the new IAC and now my car is running fine thanks for your HELP!!!!

  10. #30
    Undertaker During the Day SpinsB's Avatar
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    Update

    Had battery checked was only 43% charged so i charged it over night. Had alt tested off the car and on the car passed both. when car is idling holds 13.8 volts. So I take it out for a drive after testing all and charging battery. Car runs good and volts hold at 13-14ish while driving, once I come to a stop they only differ when the car is running funny looking for an idle(grrrr) but once at idle all is good. The car was tuned last summer and seems to be having a hard time catching its idle, seems to search for it then finds it. if that makes sense in the tune?? or would the iac or tps have todo with that?
    2001 WS6 LS2 427ci Forged Callie Crank, Billet Steel Compstar Connecting Rods, Forged Aluminum Wiseco Ceramic Coated Pistons, Stage III Ported & Polished Racing LS1 Cylinder Heads, F.A.S.T. 90/90, TTS LT's, GMMG exhaust, Spec stage III clutch, 18/19 iForged Aero's, Koni 4/4 Strano Springs.

  11. #31
    Smiles for 9.5 Years cammed goat's Avatar
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    Could be the IAC or TPS. Once you replace the IAC you have to drive around for a couple of mins at around 35-40mph for the IAC to relearn. Have you tried disconnecting the TPS while the car is running? If you disconnect the TPS while the car is running, the car will surge and you will get an SES light.

  12. #32
    Undertaker During the Day SpinsB's Avatar
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    So If i unplug and it does surge then its bad? o if it surges and throws ses light its working? that what you mean, not being smart just making sure I understand good place to get both tps and iac

  13. #33
    Veteran 0rion's Avatar
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    Quote Originally Posted by foxman92 View Post
    funny thing is my car will idle up to 2000, and sit there until i make a complete stop.. ive changed all sensor's, and no good.. so now im just going to have the car tuned, and have them fix it with the tune..
    is your car stock? Have you checked for vacuum leaks?

  14. #34
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    Quote Originally Posted by 0rion View Post
    is your car stock? Have you checked for vacuum leaks?
    no my car isnt stock.. yes i have checked for vacumn leaks, and air leaks on the intake, and found nothing... just trying to get a few issues worked out around the house before i drop the money for a tune.. im really hoping it will fix my poblem.. i think thats my issue.. trust me ive looked all over to see if its a simple fix..lol

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