Finally fixed this madness… I shook various sections of my wiring harness until I heard the engine speed change while shaking it around the #1 injector. The connector was making enough contact for it to ohm out correctly on a meter, but not enough contact to actually run the injector. I cut the...
First off, let me apologize for the long post – I’ve tried to limit this to only relevant info to the issue. My truck is a bone stock US ’94 FJZ80. I am going crazy trying to troubleshoot a misfire and loss of power, accompanied by code 25/26. This started back in 2019, I later discovered the...