Ezgo 1600xd Repair Manual page 71

Symptom
Either black or • Overheat or overload
dark gray exhaust
• Low grade fuel used
smoke is produced
• Clogged fuel fi lter
• Clogged air cleaner
Insuffi cient power • Incorrect injection timing
• Seized engine components
• Uneven fuel injection
• Insuffi cient nozzle injection
• Compression pressure leak
Hard to start in • Not enough pre-heating
cold weather
• Defect on pre-heating system
• No winter diesel fuel
• Excess valve clearance
• Low battery charge level
• T/M oil viscosity too high
SUUV-W00 Apr. 2011
ENGINE - TROUBLESHOOTING
Cause Solution
• Reduce load
• Use the specifi ed fuel
• Clean or replace
• Clean or replace
• Adjust
• Repair or replace
• Repair or replace the fuel injection pump
• Repair or replace the nozzle
• Replace head gasket, check tightness of
cylinder head bolts, glow plugs and nozzle
holders.
• Give enough pre-heating time
• Repair or replace pre-heating components
• Use winter diesel fuel
• Adjust valve clearance
• Charge of replace battery
• Use low viscosity oil as specifi ed
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