Which of the following problems is the main source of fuel pump and injection system malfunctions?A.Improper lubricationB.Air in the fuel systemC.Coated fuel linesD.Excessive vibration

题目内容(请给出正确答案)

Which of the following problems is the main source of fuel pump and injection system malfunctions?

A.Improper lubrication

B.Air in the fuel system

C.Coated fuel lines

D.Excessive vibration

参考答案和解析

正确答案：B

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Which of the following problems is the main source of fuel pump and injection system malfunctions?A.Improper lubricationB.Air in the fuel systemC.Coated fuel linesD.Excessive vibration

题目内容(请给出正确答案)

参考答案和解析

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