Technician A says that the fuel system monitor checks and adjusts both short-term and long-term fuel trim. Technician B says the comprehensive component monitor looks for circuit shorts and opens. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B

Question

Quizplus · Accepted Answer

The fuel system monitor indeed checks and adjusts both short-term and long-term fuel trim to ensure the engine is running efficiently by maintaining the correct air-fuel ratio. The comprehensive component monitor checks various components and systems (including looking for circuit shorts and opens) to ensure they are operating correctly. Therefore, both Technician A and Technician B are correct.

Technician a Says That the Fuel System Monitor Checks and Adjusts