Sentra L4-1597cc 1.6L SOHC (E16S) (1985)
Fuel Shut-off Solenoid: Description and Operation
Description - Calif.
Fig. 34 Fuel shut-off system (Typical)
Refer to Fig. 34 for a typical fuel shut-off system. Complete system schematics are located in ``Vacuum Hose Routings.''
This system shuts off fuel during deceleration at high speeds to improve fuel economy. This system operates only when the following conditions are
met: coolant temperature is above 122°F for manual transmission or above 140°F for automatic transmission, engine speed is above 2000 RPM, throttle
valve is closed, transmission is not in neutral, and clutch is engaged.