Coasting Richer System
- Bring engine to normal operating temperature and run at idle. Disconnect neutral switch connector. Connect a voltmeter to the Brown/Black wire side of check connector and verify a voltage reading of 12 volts. See Fig 1 .
- Connect a tachometer. Hold idle switch from accelerator and increase engine speed to 2500 RPM. Decelerate while monitoring voltage reading. Voltage reading should be 12 volts above 2000 RPM, 1.5 volts at 1400-2000 RPM and 12 volts below 1400 RPM.