Hopefully Easy Question!
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  1. #1
    Junior Member
    Join Date
    Jun 2014

    Hopefully Easy Question!

    Hello all,

    I've been reading this forum for a long time and finally joined it.

    A lot of great information on here.

    I have a 2008 Azera. At 15000 miles the TPS needed replaced under warranty.

    It now has 92000 miles on it and is doing the exact same thing as the first time.

    I called a dealership and they assured me you couldn't just get the TPS, you had to buy the whole throttle body.

    I easily found the part online for $30.

    My question is: How hard is it to change sensors? When I take my engine cover off what side will be on and is it visible?

    Thanks so much for all the info you've given me and I'd appreciate a little more now.



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  3. #2
    Junior Member
    Join Date
    Jun 2016
    Quote Originally Posted by mkarns1 View Post
    How hard is it to change sensors?
    the throttle position senson (TPS) is mounted to some throttle bodies (TB) with... a'hem... non-removable fasteners. the TPS can definitely be replaced in such instances (with creative use of a dremel tool), though with a couple caveats.

    first, a TPS mounted with non-removable fasteners is likely not oem source-able; meaning, if you want to replace the original TPS with another hyundai TPS (always a good idea where electronics are concerned) you'll may find it difficult to purchase that sensor as a stand-alone part. your options, of course, are 1) purchase a used TB and scavenge; or 2) go aftermarket and take your chances with hyundai not playing well with non-oem sensors.

    second, you must "dial-in" a TPS, lest you introduce lousy performance with corresponding DTC(s). calibrating a TPS requires a DMM and the specs for that TPS at a given rotation angle of the throttle plate (butterfly valve), which is information typically found in the service manual for your vehicle. there are plenty of good videos on youtube that demonstrate this process.

    before you go to any of this trouble, make darn certain the dealership won't do the entire job under warranty.
    Last edited by lothian; 02-08-2018 at 11:32 PM.

  4. #3

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