Operation CHARM: Car repair manuals for everyone.

Fuel Pressure: Testing and Inspection

Central Multiport Fuel Injection (CMFI):




Fuel Supply System CMFI:





PROCEDURE
- Turn engine "OFF" and relieve system pressure. Refer to Fuel Pressure Release Procedure.
- Connect the fuel pressure gauge to the pressure connection. Wrap a shop towel around the fitting while connecting the gauge to avoid spillage.
- "START" engine and observe fuel pressure reading. It should be 380-420 kPa (55-61 psi).
- Turn engine "OFF" and relieve fuel pressure.
- Remove fuel pressure gauge.
- Reinstall fuel pressure connection cap.
- "START" engine and check for fuel leaks.