[reuben313]

作者: concurrent

P0303 是3号缸misfire 。

Do as above suggested: check ignition coil, spark plug, plug wires
replace any one of them if it has some kind of broken sign.

看有没有火花。或者你自己先拔掉3号点火线，然后发动，把线事先靠近发动机一公分左右，看有没有火花出来。