Deceleration Control System
1. Warm engine to normal operating temperature and run at idle.
2. Disconnect neutral switch (man. trans.) or inhibitor switch (auto. trans.) connector.
3. Disconnect air hose from idle-up solenoid for electrical load and plug hose.
4. Place finger over port of solenoid.
5. Increase engine speed to 3000 RPM.
6. Decrease engine speed and ensure air is sucked in at 1500---2300 RPM.