CHAPTER 5 – TROUBLESHOOTING ENGINE Problem Engine will not start
Possible Cause
Corrective Action
No fuel
Add fuel to tank; bleed air from fuel system
Incorrect engine oil SAE grade
Replace engine oil with proper grade; see “Fluid Capacities/Lubricants” on page 1-4
Incorrect fuel grade
Replace fuel with proper grade; see “Fluid Capacities/Lubricants” on page 1-4
Loose, or corroded starter circuit connections Repair starter circuit; contact authorized service center
Rough running engine
Insufficient engine power
918070/FP0811
Incorrect engine valve clearance
Adjust valve clearance; contact authorized service center
Battery power insufficient
Charge battery or replace if necessary
Fuel filter contaminated
Clean fuel filter
Malfunctioning fuel injector(s)
Repair fuel injector(s); contact authorized service center
Glow plug system not working
Replace glow plug system. Contact authorized service center
Starter not working / pinion fails to engage
Repair starter/pinion; contact authorized service center
Incorrect fuel grade
Replace fuel with proper grade; see “Fluid Capacities/Lubricants” on page 1-4
Incorrect engine valve clearance
Adjust valve clearance; contact authorized service center
Fuel line leakage
Replace fuel line; contact authorized service center
Malfunctioning fuel injector(s)
Repair fuel injector(s); contact authorized service center.
Fuel line leakage
Replace fuel line
Air filter contaminated
Service air filter; see “Air Cleaner Service” on page 4-10
Engine not at operating temperature
Warm up the engine
Incorrect fuel grade
Replace fuel with proper grade; see “Fluid Capacities/Lubricants” on page 1-4
Incorrect engine valve clearance
Adjust valve clearance; contact authorized service center
Oil level too high
Adjust oil level; see “Changing Engine Oil and Filter” on page 4-10
Malfunctioning fuel injector(s)
Repair fuel injector(s); contact authorized service center
Engine overheated
Check cooling system
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Printed in U.S.A.
