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Originally Posted by jeffoc
The part in you picture is the air-flow potentiometer (sp). The TVS is in back of your throttle body and is actuated by your throttle linkage. It is a small black switch with a roller on a arm resting against a piece of the linkage.
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Correct! Locate the TVS. It has a pigtail. Trace the pigtail to the engine harness connector, which is located near the top of #1 inlet manifold runner.
Run continuity checks with the engine OFF! If you want more information/insight use the search function - keyword "TVS" and my screen name.
Duke