Ordinary engine noise, known as background noise, can be used to allow the ECM to detect some circuit faults. The sensor used to detect the engine noise is the:
A) TPS
B) KS
C) MAP sensor
D) ECT sensor

Question

Quizplus · Accepted Answer

The KS, or Knock Sensor, is designed to detect engine noise, specifically the high-frequency vibrations indicative of knocking or detonation. This allows the Engine Control Module (ECM) to make adjustments to prevent engine damage.

Ordinary Engine Noise, Known as Background Noise, Can Be Used