I have a 1994 ex XLT 4.0 and all of a sudden my check engine shows up after running for a few min. So I run get code reader and this is what I got
KOEO: 335
Mem: 157,327,332,336
KOER: 325,536,11,46
I seems to run good and the codes talk about low or high voltages, and I have no clue where to...