How do I tell if the Throttle Position Sensor is good or bad?
Seems to idle ok. Has a mild skip. Did full tune up. But when you accelerate going up a hill it breaks up. Motor on level ground seems to run good. On an incline motor hesitates.
You could use a voltmeter to measure the sensor output while the engine is not running but the key is on. It should steadily increase as the throttle is opened.
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