Moxy MT 26 - Low Fuel Pressure; Low System Voltage; High System Voltage

Engine
SHOP MANUAL MT26-31 - 06.2005
Tier-3 710655-
Ch 1 page 165
Low fuel pressure
Low system voltage
High system voltage
Normal charging
voltage: 27 - 28 V
Voltage regulator fault
Battery charger fault
Effect Cause Troubleshooting Action
Normal charging
voltage: 27 - 28 V
Broken alternator drive
belt
Slipping alternator
drive belt
Batteries in poor condi-
tion
Alternator fault
Voltage regulator fault
Battery charger fault
Effect Cause Troubleshooting Action
Clogged fuel filter
Defective overflow
valve
Defective feed pump
Air leakage in suction
pipe
High pressure drop in
suction pipe
Effect Cause Troubleshooting Action