1977 Models
- Ensure engine is at normal operating temperature, air cleaner installed, choke fully open, and air conditioner is off (if equipped). Set parking brake.
- Disconnect fuel tank hose from vapor canister. Disconnect and plug vacuum advance hose at distributor. Start engine and check ignition timing. Adjust if necessary.
- Reconnect vacuum advance hose to distributor. Place manual transmission in Neutral or automatic transmission in Drive. With idle speed solenoid energized, turn solenoid in or out to obtain curb idle RPM.
- Disconnect solenoid lead to de-energize solenoid. Adjust base idle speed by turning 1/8 hex screw located in end of solenoid body. Reconnect solenoid lead and hose.