F 250 4WD Pickup V8-302 5.0L VIN F 2-bbl (1985)
1988
EEC-IV - Pinpoint Tests - All Vehicles
19-104
EGR Valve Position Sensor (EVP)
Pinpoint Test DN
EGR Valve Regulator (EVR)
(EGR) Systems - Functional Diagnosis
1989
6-11
Exhaust Gas Recirculation (EGR) Systems
Functional Diagnosis