Home >> Ford Truck >> 1983 >> Ranger 4WD L4-140 2.3L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> Pinpoint Tests >> 8.0 Thru 8.7 - Fuel Always Lean >> 8.3, 8.4 and 8.4A