我的6缸车有个缸misfire了, check engine灯亮. 平时开的时候感觉和以前差不多, 跑高速转速也和原来一样. 就是在怠速的时候车略微感觉有一点点抖动, 还有就是油耗增加. 这个可能是火花塞的问题, 还是cable和点火线圈呢. 如果打开看的话, 如何判断是那个部件需要更换呢? 多谢
Ford and GM cars are extremely difficult for simple job like replacing the spark plugs as compare to the Jap cars. Especially replacing plugs at bank 1 near firewall. They want you to bring it back to the dealer. Not sure is this called smart design?