It would be very hard to clean a TPS.( Throttle position sensor)'. They are a sealed unit variable resistor .I have read somewhere a tutorial for cleaning the TPS and Throttle body on a
disco 1, I cant find it anywhere and now I dont even know whether I saw it on
here or not.
I think if you look for articles about cleaning an IAC or stepper motor you may have more luck.
To clean the throttle body just take off the hose and stick your hand in wrapped in a rag with throttle body cleaner on it.
Regard sPhilip A


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