A Series Diesel Engine Troubleshooting Logic 15
Engine Cranks But Not Start – No Smoke From Exhaust
Cause
Correction
No Fuel in Supply Tank
Check/Replenish Fuel Supply
OK
Electrical or Manual Fuel
Shutdown Not Open
Check for Loose Wires and Verify that the
Valve is Functioning. Check to be sure
Manual Shut Off Lever is in the Run
Position. Refer to Page 74
OK
Air Intake or Exhaust Plugged
Visually Check: Remove the Obstruction.
OK
Fuel Filter Plugged With Water or
Other Contamination
Drain Fuel/Water Separator or Replace
Fuel Filter. Refer to Page 71, 83
OK
Injection Pump Not Getting Fuel or
Fuel is Aerated
Check Fuel Flow/Bleed Fuel System.
Refer to Page 83
OK
Worn or Malfunctioning Injection
Pump
Visually Check Fuel Delivery with an
Externally Connected Injector to One of
the Pump Outlets. Replace the Pump if
Fuel is Not Being Delivered. Refer to Page
94
OK
Internal Pump Timing Incorrect
Verify/Time the Pump.
Refer to Page 77
OK
Camshaft Out of Time
Check/Correct Gear Train Timing
Alignment. Refer to Page 77, 185
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