FILTER GP-FUEL 4607013 - Caterpillar

Table 1
Diagnostic Code Table    
J1939 Code and Description    Conditions which Generate this Code    System Response    
3468-17
Engine Fuel Temperature 2 : Low - least severe (1)     The temperature of the gas has exceeded the trip point.     The alarm output is activated.
The code is logged.    Probable Causes
Low gas temperature
Problem with the fuel temperature sensorRecommended Actions
Table 2
Troubleshooting Test Steps    Values    Results    
1. Check for Low Gas Temperature
A. Check for the proper operation of gas pretreatment equipment.
   
Gas Temperature
   
Result: Pretreatment equipment is functioning properly.
Proceed to Test Step 2.
Result: Pretreatment equipment is not functioning properly.
Repair: Repair or replace the faulty equipment.
Verify that the repair eliminated the problem.
   
2. Faulty Gas Temperature Sensor Signal
A. Measure the temperature of the gas that is entering the fuel metering valve.
B. Compare the measurement to the reading for the temperature on the Caterpillar Electronic Technician (ET).
   
Gas Temperature Sensor
   
Result: The gas temperature entering the fuel metering valve is different from the "Fuel Temperature" reading in Cat ET.
Repair: Repair or replace the gas temperature sensor.
Refer to Troubleshooting, "Sensor Signal (Analog, Passive) - Test".
   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).