Probable Causes Failed turbocharger seals Worn valve guide seals or faulty valve guide seals Worn valve guides Worn piston rings Scored cylinder liners or…
Author: sam
Note: Some white smoke may be present during cold start-up conditions when the engine is operating normally. If the white smoke persists, there may be a…
Probable Causes Air inlet or exhaust system Engine speed/timing sensors Atmospheric pressure sensor “Turbocharger outlet (boost) pressure sensor” “Fuel Position” and/or “FRC Fuel Limit” …
Probable Causes Vibration Damper Inspect the vibration damper. Engine Mounts and Brackets Engine supports Driven equipment Engine Misfiring or Running Rough Engine…
Note: If this fault occurs only under load, refer to Troubleshooting, “Acceleration Is Poor or Throttle Response Is Poor”. Probable Causes Diagnostic codes Event codes …
Probable Causes Diagnostic codes Fuel supply Air supply Engine idle Accessory equipment Unit injectors Recommended Actions Diagnostic Codes Check for active diagnostic codes on…
Note: Use this procedure only if the engine shuts down completely during operation. Probable Causes Diagnostic codes Event codes Electrical connectors Switches Circuit breakers Fuel…
Use this procedure in order to troubleshoot an engine overspeed or use this procedure if the following event code is active. Refer to Troubleshooting, “Event…
The probable root causes are listed in order below: Note: If the problem is intermittent and the problem cannot be duplicated, refer to Troubleshooting, “Power Is…
Probable Causes Accessory equipment Valve train components Pistons Crankshaft Gear train Recommended Actions Accessory Equipment Isolate the source of the noise. Remove the suspect…