100 Sedan L5-2309cc 2.3L SOHC (NF) (1991)
readings is more than +/-3 mA.
4.
Adjust CO by turning mixture adjusting screw with tool P377 or equivalent. Adjust CO% to +/-1 mA of reading taken while oxygen sensor was
disconnected.
NOTE: If the reading with the oxygen sensor disconnected was 4 mA, and the reading with the oxygen sensor connected was 0 mA, the difference
would be 4, making an adjustment necessary. An adjustment of 4 +/- 1 mA (with the oxygen sensor connected, would be required.