Description
The throttle position (TP) sensor is used by the engine management control module to monitor changes in throttle opening. The electrical signal from the TP is used in fuel delivery calculations and to control injector triggering, including deceleration fuel cut-off.
The automatic transmission control module uses TP inputs to optimize shift points. Failed TP sensors can cause an illuminated check engine light, a failed emission test, and erratic or missed transmission gear changes.
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