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The reason for throttle positioning sensor for 1997 Ford Expedition?
Wiki User
∙ 15y ago
My Haynes repair manual shows : It senses throttle movement and position , then transmits a voltage signal to the PCM . This signal enables the PCM to determine when the throttle is closed , in a cruise position , or wide open . A defective TPS can cause surging , stalling , rough idle and other driveability problems because the PCM thinks the throttle is moving when it is not .
Wiki User
∙ 15y ago
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What does a throttle positioning sensor on a ford expedition look like?
Here is a link... With pictures of throttle positioning sensor... http://www.thepartsbin.com/repsite/ford~throttle_position_sensor~reparts.html
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