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BASIC SERVICE PROCEDURE EC-1219 [VG33ER] C D E F G H I J K L M A EC ● Do not perform fuel pressure check with electrical system operating (i.e. lights, A/C etc.). Fuel 1. Release fuel pressure to zero. 2. Install the inline fuel quick disconnect fitting between the con- 3. Connect the fuel pressure test gauge (quick connect adapter 4. Turn ignition switch ON and check for fuel leakage. 5. Start engine and check for fuel leakage. 6. Read the indication of fuel pressure gauge. If results are unsatisfactory, perform Fuel Pressure Regulator Check. Fuel Pressure Regulator Check UBS00DRX 1. Stop engine and disconnect fuel pressure regulator vacuum 2. Plug intake manifold with a blind cap. 3. Connect variable vacuum source to fuel pressure regulator. 4. Start engine and read indication of fuel pressure gauge as vac- Fuel pressure should decrease as vacuum increases. If results At idling: With vacuum hose Approximately 235 kPa (2.4 kg/cm 2 , 34 psi) With vacuum hose Approximately 294 kPa (3.0 kg/cm 2 , 43 psi) WEC875 SEF928U SEF718BA |