Two technicians are discussing an OBD II vehicle that has a flashing check engine light. Technician A says there is problem with the engine lubrication or cooling system and the vehicle must not be driven, otherwise serious engine damage will occur. Technician B says there is a severe ignition misfire and the driver should reduce speed and engine load and have the vehicle serviced as soon as possible. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

A flashing check engine light typically indicates a severe ignition misfire, which can cause damage to the catalytic converter if not addressed promptly. Technician B's statement is correct in advising to reduce speed and engine load and to service the vehicle soon. Technician A's statement about engine lubrication or cooling system issues is not directly related to a flashing check engine light.

Two Technicians Are Discussing an OBD II Vehicle That Has