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The chart below shows the most common questions asked by owners of Detroit Diesel engines 353 when trying to troubleshoot why their engines underperform. Ā It categorizes areas of possible malfunction, likely cause and recommended action to bring your new, rebuilt or used Ā Detroit Diesel engine back to proper operation. Ā The chart will give you confidence when speaking with your Detroit Diesel engine mechanic or ordering parts. Ā As a quick reference guide only, the chart must not be thought of as a substitute for the use of your Detroit Diesel engine 3-53 natural Owner's operating or service manual.

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PROBLEM

POSSIBLE REASON

CHECK

Engine will not start Lack of air intake or restricted air intake āˆš
Broken blower shaft Ā 
Worn out blower shaft Ā 
Defective fuel pump Ā 
Defective starter Ā 
Discharged battery Ā 
High exhaust back pressure Ā 
Black smoke coming out of engine Defective injector Ā 
Contaminated fuel Ā 
Broken or worn cylinder parts Ā 
Engine overloaded Ā 
Faulty intercooler or aftercooler (for turbo engines only) Ā 
White smoke coming out of engine Broken piston ring Ā 
Incorrectly installed ring set Ā 
Defective injector Ā 
Fuel quality or grade Ā 
Long idle periods Ā 
Broken or bent push rod Ā 
Injector or governor improperly adjusted Ā 
Low engine oil pressure Water in engine oil pan Ā 
Fuel in engine oil pan Ā 
Defective oil cooler Ā 
Engine overloaded Ā 
Crankcase overfilled Ā 
Low engine RPM Improperly working injector Ā 
Governor calibration Ā 
Hi engine RPM Governor calibration Ā 
Engine overheating Defective fresh water pump Ā 
Defective raw water pump (marine engines only) Ā 
Defective thermostat or thermostat seal Ā 
Clogged radiator or heat exchanger (marine engine only) Ā 
Grey smoke coming out of engine Long idle periods Ā 
Defective intercooler or aftercooler (for turbo engine only) Ā 
Restricted air intake Ā 
Defective injector Ā 
Contaminated fuel Ā 
Blower or turbocharger seals leaking Ā 
Geartrain makes noises Low oil level Ā 
Engine driven accesories Ā 
Damage main or rod bearing Ā 
Click Here To Go Back To 353 Categories


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