10021 SPN Fault Code

Name:

Engine Cylinder 2 Instantaneous Indicated Mean Effective Pressure

Description:

The indicated mean effective pressure (IMEP) is the work delivered to the piston over the entire cycle, per unit displaced volume. This SPN reports for the current engine cycle. See SPN 6487 for an average value. Negative range is to cover thermodynamic behavior during misfire.

10021 spn fault code name is Engine Cylinder 2 Instantaneous Indicated Mean Effective Pressure. If you don't take the time to look into 10021 spn fault when it arises, it can add up quickly. One small issue like 10021 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of 10021 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

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