on 1997 nissan pickup check engine light came on.code number 4 cyl misfireing any ideas.2.4 cyl moter.
The straightforward place to start is with the spark plug & wires. Checking out the distributor or coil (whichever) is also wise. Next make sure the fuel injectors are actually firing. (Listen carefully & you’ll hear a click).
If simple things don’t take care of it its normally wise to check the compression to rule out mechanical difficulty before you go too far.