Circuit/System Verification
1-Verify the proper fuel is used. Refer to Fuel System Specifications and Contaminants-in-Fuel Diagnosis.
2-Verify there are no aftermarket performance enhancing devices installed on the vehicle.
3-Perform the Fuel Injector Correction Reset for the appropriate fuel injector. Refer to Fuel Injector Correction Reset.
4-Perform the Crankshaft Position Reluctor Wheel Learn. Refer to Crankshaft Position Reluctor Wheel Learn.
5-Perform the Fuel Injector Timing Learn to verify that the DTC does not reset. Refer to Fuel Injector Timing Learn.

If DTC resets
Refer to Circuit/System Testing.

If DTC does not reset
All OK.

Circuit/System Testing
1-Perform a engine compression test. Refer to Engine Compression Test.
2-If engine compression is not within specification
Repair as necessary.

If engine compression is within specification
Replace the appropriate Q17 fuel injector.