A voltage drop of more than 0.2 volts between the TP sensor ground and engine ground indicates a bad ________.
A) oxygen (O2S) sensor
B) ECT sensor
C) PCM ground
D) IAT sensor

Question

Quizplus · Accepted Answer

A voltage drop between the TP sensor ground and engine ground indicates that there is high resistance in the ground wire, which could be caused by a bad PCM ground. The other sensors listed would not directly affect the TP sensor ground.

A Voltage Drop of More Than 0