Emulsion is a mixture of oil and water. The water occurs when condensation forms in the engine during certain operating and seasonal conditions. The emulsion…

Probable Causes   Incorrect oil level in the crankcase  Oil leaks on the outside of the engine  Oil leaks in the combustion area of the…

System Operation Description: This procedure covers the following diagnostic trouble codes: Note: The following codes may not be applicable for certain applications. Note: Refer to Troubleshooting, “Cat…

System Operation Description: Table 1 lists the diagnostic trouble codes for high intake manifold air temperature. Note: Some of the following codes may not be applicable…

System Operation Description: Table 1 lists the diagnostic trouble code for low intake manifold air pressure. Note: Refer to Troubleshooting, “Cat ET Service Features” for information…

Use this procedure in order to troubleshoot a high differential pressure for the air inlet system. Use this procedure if one of the following event…

Probable Causes   Burned out bulb  Problem with the lamp circuit  A system on the power train data link  Recommended Actions Note: The procedures have been…

Table 1 Diagnostic Trouble Codes CDL Code J1939 Code Description (Code descriptions may vary) Comments E441 (1) Idle Elevated to Increase Battery Voltage The battery…

System Operation Description: Probable causes of high fuel temperature.   Associated codes Fuel level in the tank Restriction in the fuel lines Fuel cooler (if…

System Operation Description: This procedure covers the following diagnostic codes: Note: The following codes may not be applicable for certain applications. Table 1 Diagnostic Trouble Codes…