3512B Oil Well Servicing Engine (ADEM III) Caterpillar


Boost Pressure Above Normal

Usage:

3512B 2AF
Use this procedure in order to troubleshoot a high boost pressure or one of the following event codes.

Table 1
Event Code 
Description  Default Conditions which Generate this Code  System Response 
E162-1 High Boost Pressure Warning  The boost pressure is above 298 kPa (43 psi) The code is logged. 
E162-2 High Boost Pressure Derate  The boost pressure is above 338 kPa (49 psi) The code is logged.
The ramp rate of the derate is 3 percent per second.
The maximum derate is 20 percent.
Power must be cycled to the keyswitch on the engine's Electronic Control Module (ECM) in order to reset the code. 

Probable Causes

  • Excessive engine load

Recommended Actions

Excessive Engine Load

Reduce the load on the engine.

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