R 3500 P/U 2WD V8-454 7.4L VIN W 4-bbl (1988)
Idle Speed/Throttle Actuator - Electronic: Testing and Inspection
Chart C-2 - Idle Air Control (IAC) System Check
Idle Speed/Throttle Actuator - Electronic: Testing and Inspection
Chart C-2 - Idle Air Control (IAC) System Check