Home >> Ford Truck >> 1983 >> Ranger 4WD L4-122 2.0L SOHC >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Technical Service Bulletins >> All Technical Service Bulletins >> Emissions Diagnosis - Manual Revisions >> 2.0L/2.3L Truck (Sect. 16-26; 16-27; 16-31) >> Fuel Always Rich