In current diesel engines, the coolant must reach _____ to enable onboard diagnostic (OBD) monitors or any emission control strategy within a reasonable time.
A)maximum temperature"
B)minimum temperature"
C)maximum oil pressure
D)minimum oil pressure"

Question

Quizplus · Accepted Answer

The coolant must reach a minimum temperature to ensure that the engine and its components, including emission control systems, operate efficiently and within regulatory standards. This is necessary for the onboard diagnostic (OBD) monitors to function correctly.

In Current Diesel Engines, the Coolant Must Reach _____ to Enable