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Thread: TPS Sensor P0279.3AA

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    Senior Member mmcn49's Avatar
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    TPS Sensor P0279.3AA

    Hey All - Hope everyone had a Happy Holiday Season with family and friends!

    Doing some winter projects on the an 07 XB12STT. Looking for a TPS Sensor, PN-P0279.3AA, (think this TPS was used on all Lightning models). It was obsoleted but I heard there was a substitute/replacement TPS that will work. Does anyone know if a replacement exists and where it could be purchased?

    Thanks for your help.

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    Senior Member 34nineteen's Avatar
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    Quote Originally Posted by mmcn49 View Post
    Hey All - Hope everyone had a Happy Holiday Season with family and friends!

    Doing some winter projects on the an 07 XB12STT. Looking for a TPS Sensor, PN-P0279.3AA, (think this TPS was used on all Lightning models). It was obsoleted but I heard there was a substitute/replacement TPS that will work. Does anyone know if a replacement exists and where it could be purchased?

    Thanks for your help.
    Nope. Only on the older bikes.

    On a newer bike you need to backdate the shaft to the earlier style and then you can use the older TPS. The 2007 version has long since been discontinued.


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    Senior Member BuellyBagger's Avatar
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    Only way of purchasing the 07 style in my experience has been through Harley Davidson. I do not know if it is still available from HD

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    Senior Member Barrett's Avatar
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    Ed: click link below then scroll to my name and click the link on my response. Will take you to page I had authored where my screen name is user_deleted. Will give you cross reference part numbers for all TPS units along with old factory issued TSB showing TPS differences in shaft style and applications.

    https://www.buellxb.com/forum/showth...821#post630821

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    Senior Member 34nineteen's Avatar
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    I'm sure the 07 TPS was used in other applications. Its just going to take someone with a bunch of catalogs and time to whittle through them and discover "oh, its fits a 2007-2009 Peugeot Eurotrash 12345X".

    Twin sells the kit to backdate to the early TPS, which is cheap and plentiful in the aftermarket as Mr. Barrett says.

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    Senior Member BuellyBagger's Avatar
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    Quote Originally Posted by Barrett View Post
    Ed: click link below then scroll to my name and click the link on my response. Will take you to page I had authored where my screen name is user_deleted. Will give you cross reference part numbers for all TPS units along with old factory issued TSB showing TPS differences in shaft style and applications.

    https://www.buellxb.com/forum/showth...821#post630821
    10-16-2019, 06:13 PM#2
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    most 2007 XB's can accept Duralast TPS213
    a few 2007 XB's can accept Duralast TPS4129
    the tang on the TB shaft is what determines which one crosses over. remove your TPS unit and compare.
    France???? remove yours and check locally via auto parts joints. 95-98 BMW 318i had multiple TPS listings and one of them was direct 2007 XB replacement though i don't recall which one it is.
    either way they're all in the $40 range. OEM lists for $97.90

    Wow, quite the rabbit hole there. A bmw?! When I was pouring over parts catalogs at work I stuck to ford parts since most of the Fuel Injection parts on these seem to cross to ford stuff. Also because we're a ford dealer. Should've widened my search.
    Last edited by BuellyBagger; 01-06-2022 at 04:45 PM.

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    Senior Member 34nineteen's Avatar
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    Quote Originally Posted by BuellyBagger View Post
    a few 2007 XB's can accept Duralast TPS4129
    I think the TPS4129 is the one for the 2008-2010 models as the throttle body changed drastically since then.

    Looking at this picture it looks like the end of the shaft has changed also. The connector obviously changed, but thats an easy hurdle to overcome.



    Back in the day, I worked in a GM parts house and we used to have all of the AC Delco catalogs that called out all the different sensors and connectors with pics and specs. And, it was easy enough to order the connector/sensor and either put it in stock or return it to the distributor if it didnt work out.

    Unless, the sensor manufacturer f-ed up assembling the sensor and built 1000 or so incorrectly, then offered Buell a smoking deal to get them off their hands. Its weird that they would move away from the previous TPS, especially considering how widely used it is in the aftermarket with all kinds of FI systems, let alone the volume that Ford used. There is also one from an early 80's Escort that looks like it has potential as the mounting holes are slotted so one may be able to get the orientation right by turning it all the way to the end of the adjuster.



    On the flip side, there is no rule that says both bolts need to be used to mount the sensor. The ring around the middle may lock it in place and the single tab should be enough to prevent rotation. There are quite a few TPS sensors out there with only one mounting tab.

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    Senior Member BuellyBagger's Avatar
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    Quote Originally Posted by 34nineteen View Post
    I think the TPS4129 is the one for the 2008-2010 models as the throttle body changed drastically since then.

    Looking at this picture it looks like the end of the shaft has changed also. The connector obviously changed, but thats an easy hurdle to overcome.



    Back in the day, I worked in a GM parts house and we used to have all of the AC Delco catalogs that called out all the different sensors and connectors with pics and specs. And, it was easy enough to order the connector/sensor and either put it in stock or return it to the distributor if it didnt work out.

    Unless, the sensor manufacturer f-ed up assembling the sensor and built 1000 or so incorrectly, then offered Buell a smoking deal to get them off their hands. Its weird that they would move away from the previous TPS, especially considering how widely used it is in the aftermarket with all kinds of FI systems, let alone the volume that Ford used. There is also one from an early 80's Escort that looks like it has potential as the mounting holes are slotted so one may be able to get the orientation right by turning it all the way to the end of the adjuster.



    On the flip side, there is no rule that says both bolts need to be used to mount the sensor. The ring around the middle may lock it in place and the single tab should be enough to prevent rotation. There are quite a few TPS sensors out there with only one mounting tab.
    I guess that may be the case. I read it as John saying it fit the odd 07's. The late 06/07 TB is still an odd ball then? Like I said, when I had my 07 xb12x I spent a good bit of time trying to find an alternative to the one from HD (for $95) with no luck

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    I had this problem on my '06 Uly. I got a shaft from a member on another forum and got an earlier style tps installed .IMG_20210926_102114162.jpg
    IMG_20210926_121858771.jpg

    I don't know how people feel about linking to the other forum but I had a post over there.
    Last edited by lew360; 01-06-2022 at 11:42 PM.

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    Senior Member Cooter's Avatar
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    Go for it. Info is info. I'm 99% sure its a Badweb link anyway lol.



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