done a search but cant find the thread that someone mention a momentary judder/hesitation at around 80 mph,...can anyone help or enlighten me to why this is happening ? ... - .- -.




Y. O. L. O.
.

Just a guess, but if it coincides with the opening up of the second turbo, then check that the air change over valve is not sticking slightly.
It might be worth checking if you have the modified valve just in case.
My 2011 valve was changed under LR approved warranty because it stuck.

Ahem... the speed limit round these parts is 70  405 AB exec seats Baltic and Cirrus
93 RR Classic efi

Remember it's easier to get forgiveness than permission!

Gone in order:
4.4 TDV8 SE - gone to a good home
93 Classic hard dash Plymouth Blue
03 L322 Oslo Blue
2000 Disco TD5 ES Epsom Green
98 P38 Rioja Red
89 Classic Cairngorm Brown

It obviously occurred when Stan was returning through Europe from his holidays.  John
2008 Stornoway Grey 3.6 Tdv8 Vogue
2005 TD6 Java Black Vogue - Written off!!
GAP iiD BT
2003 Discovery TD5 Auto, Nanocom Evolution - gone to a new home!
MasseyFerguson 152 - No electronics!! - Sold

thanks for that Michael..


Ade, you're correct re the speed limit in these parts but this was on the froggy autoroute where the speed limit is 81 mph [130 kph]  ... - .- -.




Y. O. L. O.
.

John.. ... - .- -.




Y. O. L. O.
.

I h-h-h have never h-heard of the problem, nor experienced it...  2012MY Range Rover 4.4 TDV8 Vogue...now gone!
2007MY Mercedes C200 Estate 'Albert'
1997MY Defender 90 TDI 'Vera'

 ... - .- -.




Y. O. L. O.
.

There was a technical bulletin....a software release cured the problem.

interesting, have you the tsb number rambles? ... - .- -.




Y. O. L. O.
.

Can't find it either Stan but there is a TSB for it and it's listed on topix👍

Had a look and it's a PCM update (power train control module)

edit I knew i had typed it in somewhere....LTB00054v2 There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
KIA E-Niro 4+
2021 Discovery 5 D300 MHEV commercial

thanks Mark..i was told by the dealer that all updates would be done prior to my collection but i took that with a pinch of salt..  ... - .- -.




Y. O. L. O.
.

does anyone know if this can be done with the IID Tool, or if its main dealer only, mine does it and at high speed when you lift off its really disconcerting and annoying.


Thanks

had mine done by the dealer under warranty but not had a chance to see if its still there.....pretty sure the iidtool wont do this update... ... - .- -.




Y. O. L. O.
.

Thanks Stan,

Do we have a note of the upgrade reference number at all?