10090 SPN Fault Code

Name:

Engine Cylinder 7 Expansion Gamma Ratio

Description:

The expansion gamma ratio is defined as Log(pressure)/Log(volume) of the cylinder pressure curve during the expansion stroke of the current engine cycle for engine Cylinder 7. The SPN will report FB00h (64256) when the engine is not running.

10090 spn fault code name is Engine Cylinder 7 Expansion Gamma Ratio. If you don't take the time to look into 10090 spn fault when it arises, it can add up quickly. One small issue like 10090 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 10090 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.

10090 SPN Fault Code

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