Fuel Pump - General Information
NOTE: Warranty repairs are not to be made to the fuel pump unless the work is performed in a shop meeting all
requirements established by Cummins Engine Company, Inc. to accurately calibrate, test, and repair the fuel systems
on Cummins engines.
The fuel pump is calibrated for a specified performance and will vary between engine application and model. The
performance of the engine is defined by the Control Parts List (CPL) and the fuel pump code.
The fuel pump calibration must be within the published specifications. Fuel pump calibration is certified by several
emission agencies. Tampering with the fuel pump can be a violation of the law. Tampering with the fuel pump
can also void the engine warranty and lower the performance of the engine.
Fuel Pump - General Information Fuel System
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