7637 SPN Fault Code


Engine Cylinder 9 Maximum Pressure Increase Rate


The maximum slope, in degrees of crank angle, of the pressure increase in engine cylinder 9 during the combustion cycle.

7637 spn fault code name is Engine Cylinder 9 Maximum Pressure Increase Rate. If you don't take the time to look into 7637 spn fault when it arises, it can add up quickly. One small issue like 7637 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 7637 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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