Operation CHARM: Car repair manuals for everyone.

Air/Fuel Mixture

Air Fuel Mixture
CO content [1] Between 0.2 & 0.8 %

Idle Speed
At operating temperature, in neutral 650-750 rpm
(All accessories off)
(cooling fan off)

[1] With 2.5K ohm resistor in place of engine temperature sensor and O2 sensor disconnected.