The MOST-Likely indicator of a slow rise in temperature or a fast rise due to a stuck-closed thermostat is the:
A) fan clutch
B) heater core
C) sending unit
D) exhaust port

Question

Quizplus · Accepted Answer

The sending unit is responsible for monitoring the temperature of the engine and sending this information to the gauge on the dashboard. A slow or fast rise in temperature could indicate a problem with the thermostat, and the sending unit would be the component most likely to indicate this change.

The MOST-Likely Indicator of a Slow Rise in Temperature or a Fast