C9.3 Engines for Caterpillar Built Machines Fuel Filter Is Restricted Caterpillar


Fuel Filter Is Restricted
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C9.3 Engines for Caterpillar Built Machines [KENR5393]
FUEL SYSTEM
FILTER GP-FUEL
C9.3 Engines for Caterpillar Built Machines Fuel Filter Is Restricted
1.1. Probable Causes
2.2. Fuel Filter

The Electronic Control Module (ECM) detects an abnormal fuel filter differential pressure.

Use this procedure if one of the following event codes is active. Refer to Troubleshooting, "Event Codes" for information about event codes. For information on the engine monitoring system, refer to Troubleshooting, "Engine Monitoring System".

Note: Some of the following codes may not be applicable for certain applications.

Table 1
Diagnostic Trouble Codes    
J1939 Code     CDL Code     Code Description     Comments    
5584-15     E390 (1)     Fuel Filter Restriction     The code is logged.
The filter is becoming clogged. Change the filter at the next regular maintenance.    
5584-16     E390 (2)     Fuel Filter Restriction     The code is logged.
The difference between the filtered fuel pressure and the unfiltered fuel pressure is greater than the trip point pressure.
The engine ECM will derate engine power.
Change the fuel filter.    
5584-0     E390 (3)     Fuel Filter Restriction     The code is logged.
The difference between the filtered fuel pressure and the unfiltered fuel pressure is greater than the trip point pressure.
The engine ECM will derate engine power.
Change the fuel filter.    

Probable Causes

Fuel Filter

  • Fuel filter

Note: Change the primary filter, the secondary filter, and the tertiary filter at the same time. Use clean fuel on the stud threads of filter base to reduce friction.

Note: Do not fill the canister or the fuel filter before installation. The fuel can carry debris into the fuel filter and the fuel system may be damaged. The electric priming pump is designed to purge the trapped air in the new filters.

Table 2
Troubleshooting Test Steps     Values     Results    

1. Change the fuel filters

A. Reset all active codes and clear all logged codes by cycling the keyswitch to the Off position. Change the primary fuel filter.

B. Prime the system with the electric priming pump.

C. Start the engine and allow the engine to idle for few minutes.

D. Turn the engine OFF and change the secondary fuel filter.

E. Prime the system with the electric priming pump.

F. Start the engine and allow the engine to idle for few minutes.

G. Turn the engine OFF and change the tertiary fuel filter.

H. Prime the system with the electric priming pump.

J. Restart the engine.
   

Fuel Filter    

Result: The code is no longer active

STOP

Result: The event code becomes active after changing the fuel filters.

Repair: The problem may be electrical. Refer to Troubleshooting, "Sensor Signal (Analog, Active) - Test" for the procedure to troubleshoot the circuit.
   

If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).

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