PROBLEM 5
Engine faults enabled during engine operation.
POSSIBLE CAUSES
High engine coolant temperature or low engine oil pressure.
High Engine Temperature Low Oil Pressure
Check coolant level and quality.
Ok Not Ok
Check engine oil level at dipstick.
Ok
Not Ok
Check fan belt for excessive wear.
Check engine oil
pressure sender.
Ok
Not Ok
Add or replace coolant.
Check for leaks
before adding oil.
Ok
See engine manual.
Check if radiator is plugged.
Check engine temperature
sender.
Ok
See engine manual.
Adjust or replace fan belt.
Ok
Not Ok
Clean or repair radiator.
Does engine oil temperature gauge in cab
indicate a high temperature?
Yes No
See engine manual.
Does engine coolant temperature gauge in cab
indicate a high temperature?
Yes No
See engine manual.
Bleed air from
cooling system.
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