Section 23.4 Improper Injector Calibration Setting (DDEC III Engines Only)

Section 23.4
Improper Injector Calibration Setting (DDEC III Engines Only)

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 engine only); refer to "16.3 Improper Injector Calibration Setting (DDEC III Engines Only)" .
2. Check for improper injector setting repair; refer to "16.3.1 Improper Injector Setting Repair" .
3. Verify injector setting repair; refer to "23.4.1 Test Engine with Corrected Injector Setting" .

Section 23.4.1
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 the engine down.
   2. If the engine exhaust emission is excessively white, shut the engine down. Check for improper valve clearance or injector height, worn or damaged camshaft lobes and rollers; refer to "23.5 Improper Valve Clearance or Injector Height, Worn or Damaged Camshaft Lobes and Rollers" .