TURBOCHARGER 4514511 - Caterpillar

Probable Causes
Active codes and logged codes
Incorrect parameters
Air shut-off system (if applicable)
Low-pressure fuel system
Fuel injectors
Engine accessories
Parasitic loadsRecommended Actions
Note: The procedures have been listed in order of probability. Complete the procedures in the order of the listed test steps.
Table 1
Troubleshooting Test Steps Values Results
1. Active Codes and Logged Codes
A. Establish communication between Caterpillar Electronic Technician (ET) and the Electronic Control Module (ECM) .
B. Monitor the diagnostic codes on Cat ET. Certain diagnostic codes and/or event codes may cause poor performance.
Note: Wait at least 30 seconds in order for diagnostic codes to become active.
Diagnostic Codes
Result: A code is active or logged.
Repair: Troubleshoot any codes before continuing with this procedure.
Verify