TROUBLESHOOTING
11-1
ENGINE
Problem Cause Solution
Engine Cranks But Will
Not Start or Hard to Start
No fuel Add fuel.
Bleed air.
Wrong fuel Drain tank. Use correct fuel.
Contaminated fuel Drain tank and add clean fuel.
Low battery power Charge or install new battery.
Injection pump See your authorized dealer.
Wrong preheat line or glow plugs See your authorized dealer.
Poor electrical connection Clean and tighten battery and starter
motor connections.
Starter motor failure Replace starter.
Wrong engine oil Drain oil. Use correct oil.
Air filter plugged Replace elements.
Fuel filter plugged Remove air from fuel system.
Clean fuel tank strainer.
Engine compression low See your authorized dealer.
Injection nozzles dirty or not working
correctly
See your authorized dealer.
Fuel shut-off linkage Adjust or repair linkage.
Leaks in fuel system Check fuel system connections.
Air in fuel system Bleed air.
Fuel feed pump plunger up Push down and tighten knob.
Feed pump strainer dirty Clean or replace.
Engine oil level low Add oil.
Engine Knocks, Runs Ir-
regularly or Stops
Plugged air intake system Clean filter and system.
Feed pump strainer dirty Clean or replace.
Injection pump out of time See your authorized dealer.
Plugged fuel filters Install new filters.
Low coolant temperature Thermostat not working correctly or too
“cool”.
Water, dirt or air in fuel system Bleed air from fuel system.
Clean fuel tank outlet screen.
Injection nozzles dirty or faulty See your authorized dealer.
Fuel shut-off linkage Adjust or repair linkage.
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