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WIRING GP-HYDRAULIC 3905123 - Caterpillar



3905123 WIRING GP-HYDRAULIC Caterpillar parts WIRING
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76
Alternative (cross code) number:
CA3905123
390-5123
3905123
Caterpillar 3905123 WIRING GP-HYDRAULIC

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Table 3
Associated Diagnostic Trouble Codes    
CDL Code     J1939 Code    
E198     5580    
E1218     94    
Table 4
Troubleshooting Test Steps    Values    Results    
2. Check the Fuel Level in the Fuel Tank
A. Check the fuel level in the fuel tank.
   
Fuel Level    
Result: The fuel level is acceptable.
Proceed to Test Step 3.
Result: The fuel level is not acceptable.
Repair: Fill the tank. Verify that the problem has been resolved.
If the problem has not been resolved, proceed to Test Step 3.
   
Illustration 1 g02041759
Fuel supply lines for inspection
Illustration 2 g02163246
Cooling line from fuel high-pressure pump to injectors
Illustration 3 g02041781
Fuel return line to be inspected
Table 5
Troubleshooting Test Steps    Values    Results    
3. Inspect the Fuel Supply Lines
A. Visually inspect the fuel lines between the priming pump and the inlet to the cylinder head. Also, inspect the fuel cooler (if equipped) for dirt, debris, or damage. Inspect the fuel return line from the head to the fuel tank. Inspect the lines for restrictions, pinching, and swelling. Refer to Systems Operation/Testing and Adjusting, "Fuel System - Inspect" for additional information.
B. Inspect the fuel cooler for dirt, debris, or damage.
   
Fuel Supply Lines    
Result: The fuel lines and the cooler (if equipped) are OK.
Proceed to Test Step 4.
Result: The fuel lines and the cooler (if equipped) are not OK.
Repair: Replace damaged fuel lines and/or fuel cooler. Remove dirt or debris from fuel cooler fins. Verify that the problem has been resolved.
If the problem has not been resolved, proceed to Test Step 4.
   
Illustration 4 g02338019
Fuel cooler
Illustration 5 g03779833
(1) Fuel temperature sensor
Table 6
Troubleshooting Test Steps    Values    Results    
4. Replace the Temperature Sensor
A. Replace fuel temperature sensor (1) .
B. Check for active codes or logged codes.
   
Fuel Temperature Sensor    
Result: A E363 code is active or logged.
Proceed to Test Step 5.
Result: A E363 code is not active or logged. Return the unit to service.
STOP
   
Illustration 6 g02041973
(2) Fuel return pressure regulator
Table 7
Troubleshooting Test Steps    Values    Results    
5. Replace the Fuel Return Pressure Regulator
A. Replace the fuel return pressure regulator (2) . Verify that the problem has been resolved.
   
Fuel pressure regulator    
Result: The problem has been resolved. Return the unit to service.
STOP
Result: The problem has not been resolved.
Proceed to Test Step 6.
   
6. Perform a Fuel System Verification Test
A. Perform a "Fuel System Verification Test" in Cat ET.
   
Fuel System Verification Test    
Result: The "Fuel System Verification Test" was not successful.
Repair: Replace the identified injectors. Verify that all trim files are installed into the ECM correctly. Refer to Troubleshooting, "Injector Trim File - Install". Repeat the "Fuel System Verification Test" after making the necessary repairs. Repeat the process until all the injectors are operating properly.
STOP
Result: The "Fuel System Verification Test" was successful. Return the unit to service..
STOP
   Test Step 1. Results:
The procedure corrected the issue. - STOP
The procedure did not correct the issue. - Repair: Contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the

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