Detroit Diesel 4000 Series, Service Manual, Page: 2645 / 2706

SERIES 4000 12/16V SERVICE MANUAL
E 012 – ENGINE MECHANICAL
TROUBLESHOOTING
Section Page
E 012.05 A General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -17
E 012.05 B Engine Does Not Turn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -18
E 012.05 C Engine Turns But Does Not Fire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -19
E 012.05 D Engine Fires Erratically After Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -20
E 012.05 E Engine Does Not Reach Full-Load Speed . . . . . . . . . . . . . . . . . . . . . . E -21
E 012.05 F Engine Speed Not Steady . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -22
E 012.05 G Compression Pressure Too Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -23
E 012.05 H High Pressure Fuel Pump Pressure Too Low . . . . . . . . . . . . . . . . . . . E -23
E 012.05 I Fuel Pump Pressure Too High . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -24
E 012.05 J High Pressure Fuel Pump Leaking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -24
E 012.05 K Fuel Pump Pressure Too Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -25
E 012.05 L Turbocharger - Abnormal Running Noises . . . . . . . . . . . . . . . . . . . . . . E -25
E 012.05 M Charge Air Temperature Too High . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -26
E 012.05 N Charge Air Pressure Too Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -27
E 012.05 O Charge Air Cooler, Coolant Discharge at Weep Hole . . . . . . . . . . . . E -27
E 012.05 P Exhaust Gases Black . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -28
E 012.05 Q Exhaust Gases Blue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -29
E 012.05 R Exhaust Gases White . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -30
E 012.05 S Starter Power Supply Faulty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -31
E 012.05 T Engine Oil Consumption Abnormally High . . . . . . . . . . . . . . . . . . . . . . E -32
E 012.05 U Engine Oil Level Abnormally High . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -33
E 012.05 V Engine Oil Temperature Too High . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -33
E 012.05 W Engine Oil Pressure Too High . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -34
E 012.05 X Engine Oil Pressure Too Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -34
E 012.05 Y Engine Coolant Temperature Too High . . . . . . . . . . . . . . . . . . . . . . . . . E -35
E 012.05 Z Engine Coolant Temperature Too Low . . . . . . . . . . . . . . . . . . . . . . . . . E -36
E 012.05 AA Engine Coolant Pressure Too Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -37
E 012.05 AB Engine Coolant Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -38
E 012.05 AC Engine Coolant Level Rising . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -38
E 012.05 AD Engine Coolant Pump Leaking at Weep Hole . . . . . . . . . . . . . . . . . . . E -39
E 012.05 AE Preheat Temperature Too Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -39
E 012.05 AF Charge Air Coolant Temperature Too High . . . . . . . . . . . . . . . . . . . . . E -40
E 012.05 AG Charge Air Coolant Temperature Too Low . . . . . . . . . . . . . . . . . . . . . . E -40
E 012.05 AH Charge Air Coolant Pressure Too Low . . . . . . . . . . . . . . . . . . . . . . . . . E -41
E 012.05 AI Charge Air Coolant Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E -42
All information subject to change without notice.
Copyright © DETROIT DIESEL CORPORATION
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