129 SPN Fault Code

Name:

Engine Fuel 1 Injector Metering Rail 2 Pressure (duplicate, use SPN 1349)

Description:

The gage pressure of fuel in the metering rail #2 as delivered from the supply pump to the injector metering intake. See Figure SPN16_A for fuel system related parameters. Although the figure does not show rail #2 it does show the relationship of rail pressure to other signals.(Obsolete � use SPN 1349)

129 spn fault code name is Engine Fuel 1 Injector Metering Rail 2 Pressure (duplicate, use SPN 1349). If you don't take the time to look into 129 spn fault when it arises, it can add up quickly. One small issue like 129 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 129 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.

129 SPN Fault Code

Name:

Description:

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