Diagnosing Misfire on Ford Ranger

Being smart about diagnosing a misfire and not throwing parts at it until root cause is confirmed.
Download Forscan via their website (Forscan.org) or through Apple/Android app stores.
I’m using an ObdLink Mx for android. It appears the newest version Mx+ works with iPhone now:
Affiliate link: amzn.to/3Ux5t4k
If you decide to use a different Bluetooth adapter you need to make sure it can communicate on J1850 PWM protocol. That’s the pre CAN protocol for older Ford ObD2 systems. A lot of adapters don’t (obdlink ones can and so does BAFX products ones)
Injector tester in video: amzn.to/3HWKZdO (affiliate link)

[@rayellebishop8168]

Good job