F 250 4WD Pickup V8-302 5.0L (1986)
EEC IV-Pinpoint Tests-All Vehicles
1987
19-94
EGR Valve Position Sensor (EVP)
Pinpoint Test DN
EGR Valve Regulator (EVR)
(EGR) Systems - Functional Diagnosis
1988
Exhaust Gas Recirculation (EGR) Systems
6-11
Functional Diagnosis