RAM 2500 Truck 2WD V10-8.0L VIN W MDC (1999)
Idle Speed: Adjustments
A (factory adjusted) set screw is used to mechanically limit the position of the throttle body throttle plate. Never attempt to adjust the engine idle
speed using this screw. All idle speed functions are controlled by the powertrain control module (PCM).
Information not supplied by the manufacturer.