Abnormal Operating Conditions - Detroit Diesel DD15 EuroIV Operator's Manual

Table 12.
Abnormal Engine Operation Symptoms and Probable Causes
Probable Causes
Misfiring cylinder
Insufficient fuel
High return fuel temperature
Low compression
DDEC malfunction
High air inlet restriction/
exhaust back pressure
Engine application
High air inlet temperature
High altitude operation
Incorrect engine gear train
timing
Low coolant temperature
Oil picked up by inlet
airstream
Faulty injector operation
Incorrect injector height
setting

Abnormal Operating Conditions

This section explains Abnormal Operating Condition Symptoms and Probable
Causes
Table 13.
Abnormal Operating Condition Symptoms and Probable Causes
Probable Causes
Loose connections
Cracked lines
Damaged gaskets or seal rings
* Lubrication oil loss at breather tube
* Lubrication oil loss at dipstick tube
Leaking oil cooler
Leaking valve stem seals
All information subject to change without notice.
DDC-SVC-MAN-0175 Copyright © 2014 DETROIT DIESEL CORPORATION
Rough Running or
Frequent Stalling
X
X
X
X
X
—
—
—
—
—
—
—
—
—
High Lubrication Oil
Consumption
DD Platform EuroIV Operators Manual
Low Power
X
X
X
X
X
X
X
X
X
X
—
—
—
X
Low Oil Pressure
X
X
X
X
X
X
X
Detonation
—
—
—
—
—
—
—
—
—
—
X
X
X
X
—
—
—
—
—
—
—
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