GMC Savana 6646 SPN Fault Code

Name:

Engine Gaseous Fuel Supply Pressure 1 (Extended Range)

Description:

Pressure of gaseous fuel supply to fuel metering device in systems where the pressure range defined for SPN 159 is not sufficient.

GMC Savana 6646 spn fault code name is Engine Gaseous Fuel Supply Pressure 1 (Extended Range). If you don't take the time to look into GMC Savana 6646 spn fault when it arises, it can add up quickly. One small issue like GMC Savana 6646 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 GMC Savana 6646 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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