(Table 133, contd)
Troubleshooting Test Steps
Values Results
11. Engine Oil Pump
A. Inspect the components of the engine oil pump for exces-
sive wear.
Oil pump Result: A component in the oil pump is not within
specification.
Repair: Repair the oil pump or replace the oil pump, if neces-
sary. Refer to Disassembly and Assembly, “Engine Oil Pump -
Remove” and Disassembly and Assembly, “Engine Oil Pump -
Install”.
Result: The oil pump is OK.
Proceed to Test Step 12.
12. Bearing Clearance
A. Inspect the engine components for excessive bearing
clearance or damaged bearings. Inspect the following compo-
nents for excessive bearing clearance:
· Crankshaft main bearings
· Connecting rod bearings
· Camshaft front bearing
· Idler gear bearing
Bearing
clearance
Result: An engine bearing is not within specification.
Repair: Install a new bearing. Refer to Disassembly and
Assembly.
Result: All engine bearings are within specification.
Contact the Dealer Solutions Network (DSN).
i06068110
Power Is Intermittently Low or
Power Cutout Is Intermittent
Note: Use this procedure only if the engine does not
shut down completely.
Probable Causes
• Diagnostic codes
• Electrical connectors
• ECM connection
• Intake manifold pressure
• Fuel supply
• Transfer Pump Inlet Regulator (TPIR) flow
• Transfer Pump Inlet Regulator (TPIR) return
• Electric Fuel Lift Pump (EFLP) flow
• Return fuel lines
Recommended Actions
NOTICE
Do not crank the engine continuously for more than
30 seconds. Allow the starting motor to cool for two
minutes before cranking the engine again.
Note: The procedures have been listed in order of
probability. Complete the procedures in order.
248 UENR4469-36
Symptom Troubleshooting
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