Mastering Engine Management: CES Test Questions and Answers**
What is the primary function of the engine control module (ECM) in a modern engine management system? ces test questions and answers for engine management
A) Poor engine performance B) Increased fuel consumption C) Illuminated “check engine” light D) All of the above ces test questions and answers for engine management
A) Oxygen sensor B) Coolant temperature sensor C) Mass airflow sensor (MAF) D) Crankshaft position sensor ces test questions and answers for engine management
D) All of the above
C) Mass airflow sensor (MAF)
Which of the following is a common symptom of a faulty oxygen sensor?