G6 V6-3.5L (2009)
Important:
*
DO NOT perform this test if the ECT is above 94°C (201°F). Irregular fuel pressure readings may result due to hot soak fuel boiling.
*
Verify that adequate fuel is in the fuel tank before proceeding with this diagnostic.
AFIT Test Procedure
1. Turn OFF all accessories.
2. Turn OFF the ignition.
3. Install the AFIT. Refer to the AFIT User Guide.
4. Turn ON the AFIT and select the vehicle.
5. Turn ON the ignition and perform the Injector Test.
‹› If the AFIT aborts testing due to fuel pressure or fuel leak down, refer to Fuel System Diagnosis (See: Computers and Control
Systems/Testing and Inspection/Component Tests and General Diagnostics/Fuel System Diagnosis).
6. View the test results.
‹› If any injector exceeds the recommended tolerance, perform the applicable procedure:
Perform the Fuel Injector Balance Test.
‹› If any injector still exceeds the recommended tolerance, replace the fuel injector.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and
Associated Procedures/Verification Tests and Procedures) after completing the diagnostic procedure.
Fuel Injector Replacement (See: Service and Repair)
