PUMP GP-GOV & FUEL INJ 7W8044 - Caterpillar

Table 1
J1939 Code and Description CDL Code and Description Comments
5584-0
Engine Fuel Filter Degradation : High - most severe (3) E390 (3)
Fuel Filter Restriction For the secondary fuel filters, the difference between the filtered fuel pressure and the unfiltered fuel pressure is greater than the trip point pressure.
5584-15
Engine Fuel Filter Degradation : High - least severe (1) E390 (1)
Fuel Filter Restriction For the secondary fuel filters, the difference between the filtered fuel pressure and the unfiltered fuel pressure is greater than the trip point pressure.
5584-16
Engine Fuel Filter Degradation : High - moderate severity (2) E390 (2)
Fuel Filter Restriction For the secondary fuel filters, the difference between the filtered fuel pressure and the unfiltered fuel pressure is greater than the trip point pressure. Probable Causes
Codes
Fuel filterRecommended Action
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. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Determine if a code is active or logged.
Codes
Result: A E390 or E1129 code is active or logged.
Proceed to Test Step 2.
2. Replace the Fuel Filters
A. Replace the appropriate fuel filter elements for the code.
B. Prime the fuel system. Refer to the Operation and Maintenance Manual for information.
C. Restart the engine and check for an active event code for the filter that was changed.
Fuel Filter
Result: After starting the engine, the event code is no longer active for the filter that was changed.
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).