Technician A says that a defective TP sensor can cause the engine to hesitate during acceleration. Technician B says that dirty throttle plate(s) on a port-injected engine could cause hesitation during acceleration. Which technician is correct?

Question

Quizplus · Accepted Answer

Both technicians are correct. A defective TP (throttle position) sensor can send incorrect signals to the engine control module (ECM), which can cause the engine to hesitate during acceleration. Similarly, dirty throttle plate(s) on a port-injected engine can restrict air flow, which can cause hesitation during acceleration.

Technician a Says That a Defective TP Sensor Can Cause