Lanos S Hatchback L4-1.6L DOHC D-TEC MFI (1999)
10.
Remove the Fuel Pump Relay from the Engine Compartment Fuse/Relay Box.
11.
Start the engine and allow it to idle until the engine stalls. Crank the engine an additional 10 seconds, then turn the Ignition Switch to the "OFF"
position.
Note:
The engine should stall in less than 10 seconds once Fuel Pump Relay is removed.
12.
Remove the Fuel Filler Cap.
13.
Disconnect the Fuel Outlet Hose from the Fuel Pump Module.
14.
Disconnect the Fuel Tank Return Hose from the Fuel Pump Module.
15.
Disconnect the Wiring Harness Electrical Connector.
16.
Using a suitable hammer and brass drift, release the Fuel Pump Module Retaining Ring by rotating it counterclockwise.
17.
After removing the Fuel Pump Module Retaining Ring, remove the Fuel Pump Module from the Fuel Tank.
CAUTION:
Removing components from a sealed fuel system exposes fuel vapors to outside oxygen and possible sources of combustion. A fuel system should
only be opened in a properly ventilated area. Special caution should be used when removing components from a fuel tank or fuel system. Removal of
such components should only be done away from open flame (torches, lit cigarettes, heater pilots or other flames however minor) or sparks
(mechanical, electrical or otherwise) that could cause fuel vapors to ignite.
18.
Reconnect the Wiring Harness Electrical Connector to the Fuel Pump Module.
19.
Turn the Ignition Switch to the "ON" position.
20.
Connect the Scan 100 Scan Tool to the vehicle Data-Link Connector (DLC) and go to the EVAP Data Screen to view the Fuel Level Sensor
voltage
Screen Navigation Order:
Select "Diagnostic" >> Choose "model year" >> Choose "vehicle type" >> Select "Powertrain" >> Choose "transmission type" >> Select "Data
Display" >> Select "Engine Data" >> Select "EVAP Data").
