Sephia Sedan L4-1.6L SOHC 8V (1994)
Fuel Pressure: Testing and Inspection
Fuel Line Pressure Inspection
Description
Description
Description
WARNING: Before performing the following operation, perform the Fuel Pressure Release Procedure to remove pressure from the fuel system
to reduce the possibility of injury or fire.
1. Disconnect the negative battery cable.
2. Install a fuel pressure gauge between the filter and the fuel main hose. Install clamps as shown in image.
3. Connect the negative battery cable.
4. Connect the data link connector (DLC) terminals F/P and GND with a jumper wire.
5. Turn the ignition switch ON.
6. Measure the fuel line pressure.
Fuel line pressure: 38 - 46 psi (265 - 314 kPa)
Pressure low
Measure Fuel Pump Maximum Pressure. If as specified, fuel line or fuel filter might be clogged or restricted.
Pressure high
Replace pressure regulator.
