9649 SPN Fault Code

Name:

Engine Gaseous Fuel Supply Pressure Regulator Control Command

Description:

The command to the fuel pressure regulator which regulates the pressure of gaseous fuel supply to the engine. This command is normalized to percent, where 0% nominally represents fully closed and 100% represents fully open.

9649 spn fault code name is Engine Gaseous Fuel Supply Pressure Regulator Control Command. If you don't take the time to look into 9649 spn fault when it arises, it can add up quickly. One small issue like 9649 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 9649 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.

9649 SPN Fault Code

Name:

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