Perkins 1204-E44TA - Engine Top Speed Is Not Obtained

(Table 80, contd)
Troubleshooting Test Steps
Values Results
Result: The results of the compression test are OK.
Proceed to Test Step 6.
6. Electronic Unit Injectors
A. Use the electronic service tool to perform the automatic “Cylinder
Cut Out Test” .
Note: If the compression test that was performed in Test Step 5 was
satisfactory, the “Cylinder Cut Out Test” will identify any faulty
injectors.
Electronic Unit
Injectors
Result: A faulty injector is indicated.
Repair: Remove any faulty electronic unit injectors. Re-
fer to Disassembly and Assembly, “Electronic Unit Injec-
tor - Remove”.
Install new electronic unit injectors. Refer to Disassembly
and Assembly, “Electronic Unit Injector - Install”.
Repeat the automatic “Cylinder Cut Out Test” . If the fault
is still apparent, remove the replacement electronic unit
injector and install the original electronic unit injector. Re-
fer to Disassembly and Assembly, “Electronic Unit Injec-
tor - Remove” and Disassembly and Assembly,
“Electronic Unit Injector - Install”.
Result: All injectors are OK.
Contact the Dealer Solutions Network (DSN).
i08134331
Engine Top Speed Is Not
Obtained
Note: If this fault occurs only under load, refer to
Troubleshooting, “Acceleration Is Poor or Throttle
Response Is Poor”.
Probable Causes
• Diagnostic codes
• ECM parameters
• Accessory and/or parasitic loads
• Flash file
• Throttle signal
• Air intake and exhaust system
• Turbocharger or turbochargers
• Fuel supply
• Transfer Pump Inlet Regulator (TPIR)
• Electric Fuel Lift Pump (EFLP)
• Return fuel lines
• Low compression (cylinder pressure)
• Electronic unit injectors
• Individual malfunctioning cylinders
Table 81
Associated Diagnostic Trouble Codes
J1939 Code PDL Code
157-18
E398 (2)
Recommended Actions
Note: The procedures have been listed in order of
probability. Complete the procedures in order.
162 UENR4469-36
Symptom Troubleshooting
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