THERMOSTAT AS 4973994 - Caterpillar

Table 1
Event Code
Code and Description Conditions which Generate this Code System Response
E096(1) High Fuel Pressure The fuel pressure is above the trip point for the programmed delay time. The code is logged. Probable Causes
Fuel pressure regulating valve
Fuel linesRecommended Actions
Fuel Pressure Regulating Valve
A improperly operating fuel pressure regulating valve may cause high fuel pressure. If a problem is suspected, inspect the return fuel pressure regulating valve. Clean any contamination or debris that may keep the regulating valve from operating properly. If debris is present, find the source of the contamination. Replace the return fuel pressure regulating valve if the valve is worn or damaged.Fuel Lines
Inspect the fuel lines for damage. A restricted return fuel line can increase fuel pressure.