Hall Effect Throttle position sensor
Discussion
As the original carbon track TPS sensors are now obsolete and replacements are quite costly I decided to install an HE TPS, far superior and will outlast me!
https://www.bertram-hill.com/tvr-griffith.html
https://www.bertram-hill.com/tvr-griffith.html
My original failed @ around 110k miles in the late 00's bloody hard to fault find before the now readily available diagnostic software mine was very specific to engine/plenum temp the engine would just fall flat on its arse and idle only and only under constant throttle for a period A roads and motorways , I managed to replicate the issue with a hot air gun aimed at the plenum whilst monitoring output voltages but was time consuming
I purchased a new one from Land Rover when they was still available (about £60 IIRC) since the car is now on Megasquirt since 2010 data logging would of found the issue much sooner
this looks like a good solution to the wearing track issue which they all will succumb too eventually


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