We have a TPS sensor fault in our 406 2.0 HDi 90 so thought id take the old one off to check the part number...
Removed the airbox and associated gubbins to gain good access to the torx bolts..
They have filled them with some strange hard silicone stuff so you'd probably ended up rounding them off removing the hard plastic stuff they have filled them with
End of rant.
His: 1990 Volkswagen Golf II 1.8 GTi 8v.
Hers: 2000 "W" 406 Estate GLX HDi 90 (Bosch) @ 150k http://www.gsdoc.co.uk German Shepherd Dog Owners Club