Engine
Problem Possible Cause Remedy
Engine turns over
but will not start.
Engine cranking speed too
slow.
Auxiliary valve engaged.
Fuel tank empty or faulty fuel
gauge sender.
Glow plug module
malfunctioning.
Fuel shut-off solenoid not
energizing.
Engine oil not warm enough.
Ambient temperature is too
low.
Fuel pump not working.
Battery requires recharging
or replacing, or, in cold
temperatures, pre-warm the
engine.
Return the control valves to
neutral.
Refill fuel tank. Replace fuel
gauge sender.
Check connection and
voltage, replace as needed.
Check electrical connections
and voltage to shut-off
solenoid.
Install a pan heater.
Install a pan heater.
Contact your dealer.
Engine overheats.
Crankcase oil level too low or
too high.
Fan air circulation blocked or
restricted.
Fan shroud improperly
positioned.
Grade of oil improper or
excessively dirty.
Exhaust restricted.
Air filter is restricted.
Add or remove oil as
required.
With engine OFF, remove
blockage or restriction.
Contact your dealer.
Drain and replace with proper
grade new oil.
Allow exhaust to cool,
remove restriction.
Replace the filter(s).
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