PUMP GP-WATER 3793978 - Caterpillar

class="catalog_a_num" href="https://avspare.com/spare/caterpillar/135515/">1355-15
Engine Cylinder #4 Knock Level : High - least severe (1)    
1356-15
Engine Cylinder #5 Knock Level : High - least severe (1)    
1357-15
Engine Cylinder #6 Knock Level : High - least severe (1)    
1358-15
Engine Cylinder #7 Knock Level : High - least severe (1)    
13539-15
Engine Cylinder #8 Knock Level : High - least severe (1)    
1360-15
Engine Cylinder #9 Knock Level : High - least severe (1)    
1361-15
Engine Cylinder #10 Knock Level : High - least severe (1)    
1362-15
Engine Cylinder #11 Knock Level : High - least severe (1)    
1363-15
Engine Cylinder #12 Knock Level : High - least severe (1)    Probable Causes
Gas fuel quality
Excessive load
Excessive inlet air pressure
High inlet air temperature
Incorrect timing calibration
Faulty circuit for the detonation sensor
Excessive deposits in the combustion chamber
Cylinder misfire
Valve lash
Low inlet manifold air temperature
Incorrect air/fuel ratioRecommended Actions
Note: The procedures have been listed in order of probability. Complete the procedures in the order of the listed test steps.
Table 2
Troubleshooting Test Steps    Values    Results    
1. Check for Active Codes and Logged Codes
A. Establish communication between Caterpillar Electronic Technician (ET) and the ECM. Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Monitor the diagnostic codes on Cat ET. Determine if a code is active or logged.
Note: Wait at least 30 seconds in order for diagnostic codes to become active.
   
Codes
   
Result: A code is active or logged.
Repair: Troubleshoot any codes before continuing with this procedure.
Verify that the repair