PB 150 V8-318 5.2L VIN T 2-BBL (1983)
Air/Fuel Mixture: Adjustments
Idle Mixture and Speed Adjustments
1981-86: Disconnect and plug canister control and EGR vacuum hoses. Remove PCV valve from grommet and allow it to draw underhood air. With
ESC, ground carb switch and disconnect Oxygen sensor.
1981-82: Set idle speed screw to specification. Set cam to specified step. Set fast idle.
1983-88, 6 & 8 cyl. models with solenoids.: Turn A/C on, set blower to low, disconnect compressor clutch wire. Without A/C, apply battery voltage
to solenoid. Adjust speed-up solenoid by removing adjusting screw and spring and inserting a one-eighth inch allen wrench into socket and turning. Set
idle speed by adjusting screw on carb body.
1987-88 4cyl.: Energize radiator fan with a jumper wire. Remove PCV valve from grommet and disconnect vacuum kicker solenoid electrical lead.
Disconnect oxygen sensor test connector on left fender shield. Adjust idle speed screw on top of solenoid to specified idle speed. Place fast idle cam on
specified step and adjust to specified value. Disconnect idle solenoid electrical lead and set base idle to specified value.
Other models: Set idle speed by turning screw on carb body. Set cam to specified step and adjust fast idle to specification.