Miscellaneous—Troubleshooting
OUT1739,0000254
–19–05AUG02–2/4
Symptom
Problem
Solution
Engine Knocks, Runs Irregularly,
Air filter clogged
Clean or replace elements. Clean
Or Stops
system.
Fuel filter clogged
Replace filter. Bleed air. Clean fuel
tank strainer.
Water separator clogged or air in
Check water separator. Bleed.
water separator
Air in water separator
Bleed air from fuel system.
Engine oil level low
Add oil.
Contaminated fuel
Drain tank. Add clean fuel. Replace
water separator.
Coolant temperature low
Thermostat not working correctly or
too "cool."
Injection pump
Go to your authorized dealer.
Engine Starts But Will Not
Power-on (POW.ON) fuse
Replace fuse.
Continue To Run
Engine Not Developing Full
Air filters clogged
Clean or replace filter elements.
Power
Fuel filter clogged
Change filter. Bleed air.
Water separator
Change. Bleed air.
Contaminated fuel
Drain fuel tank. Change water
separator, change fuel filter, bleed
air. Add clean fuel.
Wrong fuel
Use correct fuel.
Fuel line restricted
Repair or replace fuel line. Bleed air.
Clogged vent in fuel tank cap
Clean or install new cap.
Exhaust restriction
Install new muffler.
Wrong valve clearance
Check and adjust valves.
Wrong oil
Use correct oil.
4-3-3
081407
PN=189
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