给v4的camry换，好像很容易，但是听说v6要拆很多东西才能把后排的coil露出来。不好做。
14年的车，但是还没到100k miles。是不是先不用管？
180,000 miles. I changed sparkplugs on the front bank. The ones on the rear bank are still original.
as good as the original.
can last very long time.
买了一套camry v4的准备这个周末换上，看看有没有任何变化。
engines with 4 cylinders (inline rather than V4). You should be able to replace them within an hour if you have right tools. Replacing spark plug #2, 4, and 6 on 2011 Toyota Highlander costs about $400.
还是那句话，大部分设计师都是笨蛋。固定件上下左右前后的都有不一定能看见。toyota有个典型的固定水泵的螺杆，很容易搞花
an easy task, especially when the designers were under heavy pressure.
给v4的camry换，好像很容易，但是听说v6要拆很多东西才能把后排的coil露出来。不好做。
14年的车，但是还没到100k miles。是不是先不用管？
180,000 miles. I changed sparkplugs on the front bank. The ones on the rear bank are still original.
as good as the original.
can last very long time.
买了一套camry v4的准备这个周末换上，看看有没有任何变化。
engines with 4 cylinders (inline rather than V4). You should be able to replace them within an hour if you have right tools. Replacing spark plug #2, 4, and 6 on 2011 Toyota Highlander costs about $400.
还是那句话，大部分设计师都是笨蛋。固定件上下左右前后的都有不一定能看见。toyota有个典型的固定水泵的螺杆，很容易搞花
an easy task, especially when the designers were under heavy pressure.
How often should spark plugs be changed in a Toyota Highlander? Every 72 months/60,000 miles:
If your Highlander is equipped with the 3.5L V6 engine, you'll need to replace the spark plugs at the 72-month or 60,000-mile mark.