LEMON Manuals: Even more car manuals for everyone
Home >> Saturn >> 2006 >> Vue Red Line, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - 2.2L (L61) - Troubleshooting & Diagnosis) >> Fuel Injector Diagnosis (w/J39021 or w/Tech 2) >> Component Testing >> Fuel Injector Balance Test-Fuel Pressure Test

Fuel Injector Balance Test-Fuel Pressure Test

WARNING: This page is about a different variant/trim than selected.
  1. Install a fuel pressure gage. Fuel Pressure Gage Installation and Removal .
  2. Turn ON the ignition, with the engine OFF.
    IMPORTANT:
    • The fuel pump relay may need to be commanded ON a few times in order to obtain the highest possible fuel pressure.
    • DO NOT start the engine.
  3. Command the fuel pump relay ON with a scan tool.
  4. Observe the fuel pressure gage with the fuel pump commanded ON. The fuel pressure should be 345-414 kPa (50-60 psi).
    NOTE: If the fuel pressure is not 345-414 kPa (50-60 psi), refer to Fuel System Diagnosis .
  5. Monitor the fuel pressure gage for five minutes. The fuel pressure should not decrease more than 100 kPa (14.5 psi).
    NOTE: If the fuel pressure decreases more than 100 kPa (14.5 psi), refer to Fuel System Diagnosis  .
  6. Perform the Fuel Injector Balance Test with Special Tool or the Fuel Injector Balance Test with Tech 2.
scientia non olet · About LEMON Manuals