TROUBLESHOOTING
182
OK
2. UNSTABLE IDLING
Checkpoint Trouble Cause Countermeasure
Injection pump Defective governor lever operation
Repair or replace the governor
lever
Regulator valve improperly
adjusted (VE pump only)
Adjust or replace the regulator
valve
Broken plunger spring Replace the plunger spring
Worn plunger Replace the plunger assembly
Worn camshaft (In-line pump only) Replace the camshaft
Worn roller tappet (In-line pump
only)
Replace the roller tappet
Worn cam disc (VE pump only) Replace the cam disc
NG NG
NG NG
NG NG
NG NG
NG NG
NG NG
NG NG
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