CONSOLE 3952934 - Caterpillar

Probable Causes
Air inlet or exhaust system
Atmospheric pressure sensor
Flash file
Fuel quality
Valve adjustmentRecommended Actions
Air Inlet or Exhaust System
Check the air inlet system for restrictions and/or for leaks.
Check for an air filter restriction.
Perform a visual inspection of the system for restrictions and/or for leaks in the air inlet piping .
Ensure that the turbocharger is in good repair.
Check the exhaust system for restrictions.
Repair any leaks that were found. Remove any restrictions that were found. Replace any damaged components that were found. Atmospheric Pressure Sensor
Remove the sensor.
Remove debris, moisture, or ice from the sensor.
Install the sensor.
Check the Caterpillar Electronic Technician (ET) for active diagnostic codes on the sensor. If no active diagnostic code exists, the sensor may be used. The correct reading for the atmospheric pressure is between 50 kPa (7.25 psi) and 100 kPa (14.5 psi). Flash File
Verify that the latest flash file is installed. Refer to Troubleshooting, "ECM Software - Install" for information.Fuel Quality
Cold weather adversely affects the characteristics of the fuel. Refer to Operation and Maintenance Manual for information on improving the characteristics of the fuel during cold weather operation.Valve Adjustment
Check the valve adjustment. Refer to Systems Operation/Testing and Adjusting for information that is related to valve adjustments.