It could be a hairline crack in the head gasket between cylinder 2 & 3.
CHECK WIRE
Bad plug or something is misassembled.
Check the timing on your vehicle ,but there's more on why your getting a misfire
When you replaced the plugs, did you check the compression? Did any of the plugs look different than the others? Low compression in one cylinder can cause misfiring. But then, so can a faulty distributor cap.
Oxygen cylinders should be replaced when they are empty, damaged, or expired. It is important to check the expiry date on the cylinder and follow the manufacturer's guidelines for safe usage. If there are any signs of damage or corrosion, the cylinder should be replaced immediately.
If cylinder 3 on a Ford Explorer is misfiring, it might be possible to fix it by changing the coil pack for that cylinder. The spark plug might also need to be taken out and re-gapped or replaced. If neither of these options work, the spark plug wire can be checked.
after the clutch master cylinder has been replaced.
Coil, injector, internal engine....
yes
It should be replaced when it begins making a noticeable noise.
The slave cylinder on a 1988 Ranger can not be repaired. The cylinder will have to be replaced, then the system bled.
check the gappings of your spark plugs, it must be uniform.