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4. MAINTENANCE
4.13 TROUBLESHOOTING
4.13B Engine
Symptom Probable Cause Solution
Will not start Low cranking speed Check battery charge
No fuel Replenish. Check for air
in fuel system. Check for
blockage.
Faulty stop solenoid Check and replace
Faulty fuel pump Check and replace
Faulty injection system Check and repair
Improper preheat of Read the starting
engine instructions in the
Operator’s Manual
Faulty glow plugs Check and replace
Incorrect valve timing Check and repair
Clogged air filter Check and replace
Worn engine components Check, repair, replace
ie: rings, valves, cylinder
Difficult starting Low cranking speed Check battery charge
Faulty stop solenoid Check and replace
Blocked fuel system Check and repair
Faulty fuel pump Check and repair
Clogged air filter Check and replace
Air in fuel system Bleed fuel lines
Contaminant in fuel Check for water, etc.
Faulty injection system Check and repair
Faulty glow plug Check and replace
Incorrect valve timing Check and repair
Worn engine components Check, repair, replace
ie: rings, valves, cylinder
Low cranking speed Battery charge low Charge battery. Check
electrical connections,
alternator capacity
Faulty starter motor Check and repair
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