'85 300D Turbo, Underhood. driver side front, looks like a rectangular box with an attached cylinder, made by VDO the part number I believe starts with 008 rest is too damaged to read. It has an electrical connection to a black rectangular box on the drivers side fender front and a linkage to the throttle control.

what is this part and what does it do in the car

thanks

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'85 300 D Diamond in the rust