Series 60 Improper Injector Calibration Setting

To determine if an improper injector calibration setting is causing the cylinder to misfire, perform the following steps: ‪

1. Remove the valve rocker cover(s);
2. Record the injector calibration code of each injector noting the cylinder number;
3. Turn vehicle ignition to the on position , but do not run engine.
4. Install Display Data Line (DDL) adaptor to the data cable and plug the adaptor into the DDL connector in the vehicle; refer to OEM guidelines.
5. >From the Diagnostic Data Reader (DDR) DDEC III/IV Select Menu, scroll to select ENGINE and press the ENTER key.
6. Scroll to select FUEL INJECTOR INFO and press the ENTER key.
7. Scroll to select FUEL INJECTOR CAL and press the ENTER key.
8. Scroll to select FUEL INJECTOR CAL. Select VIEW and press the ENTER key.
9. Compare the calibration code(s) shown on the display with the two digit calibration code(s) on the injector(s).
   1. If the calibration code on the display is different then the calibration code on the suspect injector for that cylinder, the injector setting must be repaired.
   2. If test codes match; refer to section  Intake valve clearance