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The mkiv Supra Owners Club

Throttle Body part


Sandy-m2

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Ok guys sorry if this has been done to death but...

 

What is this part, I know it stops the TPS but does it actually do something?

http://lh3.ggpht.com/sandy1macdonald/SA5G7km-aQI/AAAAAAAAA2A/TxK9N3t_HAI/s400/Throttle%201.jpg

 

It seams like when the car is cold it Idles ok but when the car heats up this expands(?) and causes the car to idle higher.

I have come to this conclusion because if I push the TPS sensor downwards it returns to idling ok.

 

does this make any sense to anyone?

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