If the incorrect grade of engine oil is used in and engine equipped with a variable displacement engine, what diagnostic trouble code (DTC) could be set?
A) P0521
B) P0420
C) P0300
D) P0011

Question

Quizplus · Accepted Answer

Using the incorrect grade of engine oil in an engine equipped with a variable displacement engine can cause issues with the system that controls whether the cylinders are activated or deactivated. This can result in a DTC of P0011, which indicates a problem with the camshaft position and the system that controls it.

If the Incorrect Grade of Engine Oil Is Used in and Engine