11 TROUBLESHOOTING
Mitsubishi Diesel Engine S16R & S16R2 OPERATION & MAINTENANCE MANUAL
198
Pub. No. K29001-00320 Revision: 1
Engine Oil Pressure Drop
Table 11-11 Engine Oil Pressure Drop
Problem Cause Remedies
Reference
Page
Engine Oil Pres-
sure Drop
Lubrication
System
Low engine oil level • Engine Oil Level - Check
• Check lubrication system.
157
Faulty engine oil
property (viscosity)
• Analyze engine oil properties -
• Change with the engine oil of
proper viscosity.
206
Excessive engine
oil temperature
• Cooling system - Check -
• Contact your SME dealer. 8
Clogged oil filter • Check and replace oil filter and
bypass oil filter
159
161
Oil pump malfunc-
tion
• Contact your SME dealer. 8
Relief valve mal-
function
• Contact your SME dealer. 8
Control System Oil pressure gauge
malfunction
• Check control system and wiring. -
• Contact your SME dealer. 8
Excessive load • Check fuel injection pump rack
stroke.
-
• Contact your SME dealer. 8
Engine Body Increased wear of
sliding parts
• Contact your SME dealer. 8
Increased clear-
ance of sliding
parts
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