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Throttle sticking from each shift, all RPM's

This is a discussion on Throttle sticking from each shift, all RPM's within the General Help forums, part of the LSx Technical Help Section category; On my way in to work this morning (I don't drive it often enough though), I noticed the throttle is ...

  1. #1
    Junior Member 981LEZ28's Avatar
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    1998 Camaro

    Throttle sticking from each shift, all RPM's

    On my way in to work this morning (I don't drive it often enough though), I noticed the throttle is sticking on my 1998 Z28 1LE with ~68,000 miles). RPM's take a little time to idle back down from every gear. Then, when I am stopped, the revs kind of fluctuate, not at a high RPM, maybe 1100 or so to 1000...it's not bad but I need to figure out what needs to be replaced. Any ideas?

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    Member Transam388's Avatar
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    For as cheap as they are I would suggest the Throttle position sensor, usually around 35 bucks. There is also the Idle control also on the side of the TB but I am not sure what those cost. The position sensor is the black plastic piece and the idle is the chrome / silver circular piece above the TPS. You could also while the car is not running, take the bellows off and have someone step on the gas to see is the throttle blade sticking at all. Granted this may not be a tottaly good check since you will be missing the inbound air when the car is running so it is checked under the same circumstances but it may give you a place to start and is a quick check.

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    Junior Member 981LEZ28's Avatar
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    Where to buy?

    Any online store that I could order the sensor?

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    Member Transam388's Avatar
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    Most auto stores carry them now. I got Autotap which as I said also has a book which explains the code a little more than the read out on the scanner which essentially says the code number and what the code is related to. So you may just want to do an online search for autotap and that should give you some places to check. Maybe some of the site sponsors have them also.?

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    Junior Member 981LEZ28's Avatar
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    No laptop

    I don't own a laptop right now in order to use the Autotap. Any others that are independent to display the info?

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    Member Transam388's Avatar
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    My bad, thinking one thing and wrote another. The scanner is by Actron for ODBII cars. Part number is CP9135 and costs 180. I have the standard version but they also make others. Up front it may sound like a lot considering places do it for free but as I said before I just keep it in my car all the time so if the light ever comes on no matter where I am I can get an idea of what is up.
    Last edited by Transam388; 02-08-2006 at 11:46 AM.

  7. #7
    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    I'll sell you my actron scanner...it's basically new. I bought a predator and don't need the scanner anymore. I'll take a pic if you're interested...pm me

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