Is this TPS mechanically interchangeable? No great sweat sorting the pinouts provided it is a twin pot type.

 

I agree we live in a very litigious society but why does everyone else sell the TPS alone.

 

Surely if someone replaces something like a TPS it's their problem.
I'd very much like to look further into a TPS sensor replacement since they cost <$100 rather than >$2000 and, as has beed mentioned, failure can be the death knell for one of our cars.
It would be interesting to know how often the throttle body motor fails - that would be a different story.

 

That's the question Jaguar need to answer. We have been here before with suspension bushes. Now these are freely available from suppliers, (not via Jaguar), and people are driving around with rebushed wishbones without any trouble.

Anybody had any trouble with a rebushed wishbone, (or know of anybody) ?

 

I am having this same issue. I refuse to replace a throttle body that is fine, just for a "bad" sensor. This is an engineering mistake. Its dangerous as hell. Mine malfunction seven times today with my kids in the car, no shoulder to pull onto and on an extremely busy highway. Jag needs to figure this out. Love the car, hate the bs. Now, has anyone replaced just the tps on these x350's yet?

 

I've looked at a DIY replacement for the TPS and, surprise, surprise, it isn't as easy as you'd think.
https://www.jaguarforums.com/forum/x...acement-77560/
I wonder why !

 

What does it take to push Jaguar towards recalling this issue? They did it for the x308's. What will happen when someone is killed because of this fault occurring in the wrong place and time. The engine failsafe mode is for the protection of the car, not the occupants.

 

If I remember the reason for the recall had nothing to do with the TPS. The early cars were jut reflashed to add the cleaning sweep & the later ars which were not programable had a new throttle body fitted. The issue with throttle bodies actually failing was not at all common in the 90's. I do also agree it would be very nice to be able to replace the TPS.

 

Thanks for the update. I was just going off of hearsay. This is an extreme engineering screw up to me. Of coarse, its just like allot of other car parts, not just from Jaguar, manufactures engineer cars to keep the consumer from being able to maintain the car themselves easily. It keeps the money flowing after warranties expire. But, it is excessive to do as they did with this sensor. I work on my jag. I have not performed any repair our maintenance procedure that i was incapable of doing. This stupid sensor, something in the average car that would be extremely easy to fix, had me completely screwed. Until i break down and buy a throttle body, i will continue to research a new fix and just keep cycling three key, disconnecting the battery, and resetting the connector for the tps.

Would it be worth my time to remove the sensor and clean it with some alcohol?

 

No, it's 'sealed for life'.
If you're prepared to risk writing it off you can get it apart by grinding off the lip of plastic holding the metal back plate on.
You can then clean the tracks and wiper with electrical contact cleaner, tape the back on with sellotape and replace it to see if you've fixed it or ruined it.
I polished the tracks on the dead one GGG (Graham) sent me with chrome cleaner and it appears to work correctly now.
If fixed then araldite the back plate in place.
Don't blame me if you wreck it though, nor if it packs in on a railway crossing with a train bearing down on you.

 

There is the option of buying a used one. Just a thought.

 

Are there an specific years that are more prone or is it all 4.2 Na and Sc model cars? Is this part available from a British supplier?

 

I would imagine it is cycle related since it's just a fancy potentiometer.
I looked everywhere for the TPS, including EBay UK (someone did say it was available in the UK) with no success.

 

2001vandenplas @ 51,070 miles i had the same problem with the throttle body replacement at a cost of $ 1805.98, this is a very poor craftmanship for this car. Now at 90,003 miles my trac control & abs lights are coming on an off.

 

ASI - 1999 2003 Jaguar XK8 XJ8 Stype Throttle Body TPS Rebuild Repair

us dollars 485.00

I found this on the net they offer a life time warranty? on their rebuild and the price seems fair. But if they rebuild these things and the tps is included they must have a source. I wonder if they would sell just the tps? I am knocking on wood so I can ward off the murphy omen.

 

Can someone confirm for me? I was told by my mechanic I need to REPLACE the throttle body from my xjr and that it CANNOT be cleaned. Furthermore, I'm told the throttle body for an XJR is not the same as an XJ8...

Anyone?


Thank you in advance.

 

Please don't resurrect old threads, just start a new one.

Yes the TB for XJR and XJ8 are different. The problem is usually the TPS and it can not be "cleaned". Technically it can be replaced, but JAG does not sell the TPS separately.

You can get the TB refurbished, which is a lot cheaper than a new one. Also look for good prices on the Internet, I found new TB for XJ8 for less than $250.

 

What's wrong with resurrecting an old thread? I read the whole thing, gave me good background to the issue as I had not seen it before.

Stu

 

At the risk of highjacking this useful thread I too gotta ask the question. What's wrong with resurrecting old threads?

 

Nothing.

The thread is reasonable technical and it would be difficult to compile all that has gone on in another thread.

BTW, found a aftermarket TPS for a Ferrari yesterday ... $56 retail. So it can't be the size of the market.