Detroit Diesel Troubleshooting Diagrams

Archive for the ‘Injector Calibration Setting’ tag

Series 60 Improper Injector Calibration Setting

without comments

To determine if an improper injector calibration setting is causing excessive white smoke, perform the following: ‪

  1. Check for improper injector calibration setting (DDEC III/IV engine only);
  2. Check for improper injector setting repair;
  3. Verify injector setting repair;

Test Engine with Corrected Injector Setting

Perform the following to determine if injector setting repair resolved excessive white smoke: ‪

  1. Start and run the engine.
  2. Run the engine at idle with a no-load for approximately 5 minutes, allowing the engine coolant to reach normal operating range.
  3. Visually inspect exhaust for excessive white smoke.
    1. If the engine exhaust emission appears normal, no further troubleshooting is required. Shut down the engine.
    2. If the engine exhaust emission is excessively white, shut down the engine. Check for improper valve clearance or injector height, worn or damaged camshaft lobes and rollers

Written by sam

May 8th, 2012 at 5:22 am

Series 60 Improper Injector Calibration Setting

without comments

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

Written by sam

October 27th, 2011 at 2:47 am

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