Perkins M190C - Fuel Dilution of Engine Oil; Intermittent Engine Shutdown

KENR9126 59
Troubleshooting Section
i04010465
Exhaust Temperature Is High
Probable Caus
es
•
Diagnostic codes
•
Electrical connectors
•
Air inlet an
d exhaust system
Recommende
d Actions
Diagnostic Codes
Connect the electronic service tool and check
for active diagnostic codes. Troubleshoot any
active di
agnostic codes before continuing with this
procedure.
Electric
al Connectors
Check for correct installation of the J2/P2/A-C1
Electro
nic Control Module (ECM) connector and of
the A-C10, A-C11, and A-C12 connectors that are for
the injectors. Refer to the diagnostic functional test
Trouble
shooting, “Electrical Connectors - Inspect”.
Air Inlet and Exhaust System
1. Check the air inlet manifold pressure. Check for
air inlet restrictions and/or leaks.
2. Check for leaks between the exhaust manifold and
the turbocharger. Check for exhaust restrictions.
i02119587
Fuel Dilution of Engine Oil
Probable Causes
•
Leaking seals on the case of the unit injector or on
the barrel of the unit injector
•
Leaking seals on the fuel line adapter for the
cylinder head
•
Excessive leakage from the unit injector tip or
breakage of the unit injector tip
•
Cracked fuel supply manifold
•
Leaking seal on the fuel transfer pump
Recommended Ac
tions
Leaking Seals on the Case of the Unit
Injector or on
the Barrel of the Unit
Injector
Look for sign
s of damage to the seals for the unit
injectors. Replace any seals that are leaking.
Leaking Sea
ls on the Fuel Line A dapter
for the Cylinder Head
Look for sig
ns of damage to the seals on the fuel line
adapter for the cylinder head. Repair any leaking fuel
lines or components and/or replace any leaking fuel
lines or co
mponents.
Excessive L eakage from the Unit Injector
Tip or Brea
kage of the Unit Injector Tip
Look for signs of damage to the unit injectors. If
necessar
y, repair the unit injectors or replace the unit
injectors.
Cracked
Fuel Supply Manifold
Look for signs of damage to the fuel supply manifold.
Leaking Fuel Transfer Pump Seal
Ensure
that the weep hole is not plugged. If
necessary, repair the fuel transfer pump or replace
the fuel transfer pump.
i04010466
Intermittent Engine Shutdown
Note: Use this procedure only if the engine shuts
down
completely and the engine must be restarted.
Pro
bable Causes
•
Diagnostic codes
•
Air Intake
•
El
ectrical connectors
•
Fuel supply
•
Engine shutdown switch (if applicable)