Basic Troubleshooting - Detroit Diesel 50 Series Operator's Manual

BASIC TROUBLESHOOTING

This section covers basic
troubleshooting of engine operation
or performance malfunctions and
their probable causes. In addition to
Objectionable Exhaust Symptoms and Probable Causes
Probable Causes
Damaged or dirty air
cleaner
Improper grade of fuel
Excessive exhaust back
pressure
Misfiring cylinders
Lubricating oil not burned
in cylinder (being burned
in exhaust manifold or
turbocharger)
Faulty injector timing
Faulty oil control rings
Excessive installation angle
Excessive oil in crankcase
High ambient temperature
Thin air (high altitude)
Cetane rating of fuel too
low
Air in the fuel system
All information subject to change without notice. (Rev. 01/ 04)
6SE550 0401 Copyright © 2004 DETROIT DIESEL CORPORATION
SERIES 50 OPERATOR'S GUIDE
operating the engine carefully and
maintaining it properly, make sure to
correct any malfunction promptly.
Black or
Blue Smoke
Gray Smoke
X
X
X
X
X
X
X
X
X
X
White
Smoke
X
X
X
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