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  1. #11
    Join Date
    Dec 2009
    Location
    GA
    Posts
    1,415

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    Quote Originally Posted by rhauptschein View Post
    Update

    1. what average (and range) mileage do they fail?

    2. How many are there on the Volvo and location? What is its function?
    1. 30-100k miles depending on how the car is driven - the throttle position sensors wear out - mild driving keeps the throttle almost in the same position wearing them out quicker.

    2. 2 Bump stops in the rear - 1 on each side, to keep the suspension from bottoming out metal to metal, the front ones are installed at the top of the struts.

    If you buy a new throttle it requires a download from volvo to make it work after it is installed. "Rebuilt" modules require programming also - Aftermarket companies program the throttle using your VIN number before it is shipped and installed. And re builders such as xemodex use non-contact potentiometers to prevent future failure.

    Don Willson - mentioned in this thread

    https://www.volvoxc.com/forums/showt...g-ETM-Failures

    was instrumental in getting volvo to warranty throttle modules for 10 yrs/x miles - valid only in the US.

  2. #12
    Join Date
    Jan 2005
    Location
    West Coast USA
    Posts
    325

    Default

    Quote Originally Posted by hoonk View Post
    1. 30-100k miles depending on how the car is driven - the throttle position sensors wear out - mild driving keeps the throttle almost in the same position wearing them out quicker.

    2. 2 Bump stops in the rear - 1 on each side, to keep the suspension from bottoming out metal to metal, the front ones are installed at the top of the struts.

    If you buy a new throttle it requires a download from volvo to make it work after it is installed. "Rebuilt" modules require programming also - Aftermarket companies program the throttle using your VIN number before it is shipped and installed. And re builders such as xemodex use non-contact potentiometers to prevent future failure.

    Don Willson - mentioned in this thread

    https://www.volvoxc.com/forums/showt...g-ETM-Failures

    was instrumental in getting volvo to warranty throttle modules for 10 yrs/x miles - valid only in the US.
    1. Bump Stop - is it critical to replace the one that fell off ?
    2. Throttle - okay, I assume the service place did all that with the remanufactured volvo part throttle, but I'll try to ask to confirm (programming dowload, non-contact potentiometer). The diagnostic code appears: ECM 91F0 91A7 903F 903C.Click image for larger version. 

Name:	throttle body Old 2020.jpg 
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ID:	9350 Image embedded is the old throttle body with brand model imprinted.
    Last edited by rhauptschein; 09-04-2020 at 03:08 PM.
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