NOTE:
For additional engine information, consult
engine manufacturer’s manual.
84
ENGINE CONTINUED
SUGGESTED REMEDY
POSSIBLE CAUSE
PROBLEM
Engine overheats
Engine misfires: runs uneven,
low power
Engine knocks
Engine overloaded
Dirty radiator core or dirty grill
screen
Faulty radiator cap
Loose or faulty fan belt
Faulty thermostat
Low coolant level
Water in fuel
Dirty air cleaner element
Poor grade of fuel
Fuel tank vent clogged
Clogged fuel filter
Low oil level in crankcase
Cold engine
Reduce load
Remove all foreign material and
clean all items
Replace cap
Tighten or replace fan belt
Replace thermostat
Refill to proper level with
recommended coolant
Drain, flush, replace filter, fill
system
Replace element
Drain system; change to good
grade
Open fuel tank vent in cap
Replace fuel filter
Add oil to full mark
Allow proper warm-up period;
refer
to
engine
owner’s
handbook
IX.
TROUBLE SHOOTING
Summary of Contents for STS12
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