Looking for some guidance from the 3FE experts.
My ’88 FJ62 is currently throwing Code 21 (O2 sensor) and Code 28 (AFM).
History:
Originally had codes 14, 21, 22, and 28
Found and cleaned a heavily corroded intake manifold ground strap
After cleaning the ground, codes 14 and 22...
Quick update:
High beams: ✅ Fixed! The culprit was a bad stalk and a dirty ground. Swapped the stalk, cleaned up the ground, and now they’re shining bright again.
Reverse lights: @cruisermatt called it — confirmed I’ll need the harness. Appreciate the help, man!
Front turn signals: Still giving...
Hey everyone - just wanted to post a quick update in case it helps someone else dealing with similar issues.
After digging through a few threads, it looks like the switch stalk is a common failure point. I went ahead and disassembled mine to inspect and clean it. It wasn’t particularly dirty...