問題詳情
31.The owner of a diesel vehicle complains of a serious vibration at idle. Any of these could be the cause EXCEPT:
(A) a broken motor mount
(B) misfiring cylinders
(C) an incorrect idle speed
(D) a stuck-closed EGR valve.
參考答案
答案：D
難度：簡單0.807692
統計：A(0),B(1),C(4),D(21),E(0)