Correction:
There should be a single back click, but only when the throttle is returned to fully closed position of the throttle lever.
The back click should be heard when the throttle position switch is being checked and should be heard just as the throttle flap is closed.
When checking/setting the TPS, you should rock the throttle lever slightly open and then release and hear a single click just as you open the throttle and a single back click when releasing the throttle lever.
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Eric Hi Performance Automotive Service (formerly OVO or Old Volvos Only) Torrance, CA 90502 hiperformanceautoservice.com or oldvolvosonly.com
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