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Troubleshooting
DPSG,CD03523,49 –19–10AUG99–2/5
Symptom Problem
Solution
Injection pump shut-off not reset. Turn key switch to “OFF” then to
“ON”.
Engine knocks Low engine oil level. Add oil to engine crankcase.
Injection pump out of time. See your authorized servicing dealer
or engine distributor.
Low coolant temperature. Remove and check thermostat.
Engine overheating. See “Engine Overheats”.
Engine runs irregularly or stalls Low coolant temperature. Remove and check thermostat.
frequently
Clogged fuel filter. Replace fuel filter element.
Water, dirt or air in fuel system. Drain, flush, fill and bleed system.
Dirty or faulty injection nozzles. Have authorized servicing dealer or
engine distributor check injectors.
Below normal engine Defective thermostat. Remove and check thermostat.
temperature
Defective temperature gauge or Check gauge, sender and
sender. connections.
Lack of power Engine overloaded. Reduce load.
Intake air restriction. Service air cleaner.
Clogged fuel filter. Replace filter element.
Improper type of fuel. Use proper fuel.
Overheated engine. See “Engine Overheats”.
Below normal engine temperature. Remove and check thermostat.
Improper valve clearance. See your authorized servicing dealer
or engine distributor.
Dirty or faulty injection nozzles. Have authorized servicing dealer or
engine distributor check injectors.
55-2
112699
PN=71
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