PANEL AS 4617396 - Caterpillar

Which Generate This Code:The engine has been running for 60 seconds and the Electronic Control Module (ECM) has identified fuel pressure less than 250 kPa (36 psi) for 10 seconds.System Response:The ECM will log the event. The low fuel pressure warning will deactivate when the fuel pressure rises above 260 kPa (37 psi) for four seconds.Engine operation is not affected.Test Step 1. Replace the Fuel Filter
Replace the engine's fuel filter. Prime the fuel system.Refer to the engine's Operation and Maintenance Manual for the correct procedure.
Start the engine. Use Caterpillar Electronic Technician (ET) to check for another occurrence of the event.Expected Result:The event does not recur.Results:
OK - The event does not recur. Stop.
NOT OK - The ECM is detecting an abnormal fuel pressure in the fuel system.Repair: Refer to Systems Operation/Testing and Adjusting, "Fuel System Pressure - Test" for information that relates to testing the fuel system. Stop.