7491 SPN Fault Code

Name:

Aftertreatment 2 Diesel Exhaust Fluid Doser 3 Absolute Pressure

Description:

The absolute pressure (measured closest to dosing valve) of the third DEF doser for aftertreatment system 2 (exhaust bank 2).

7491 spn fault code name is Aftertreatment 2 Diesel Exhaust Fluid Doser 3 Absolute Pressure. If you don't take the time to look into 7491 spn fault when it arises, it can add up quickly. One small issue like 7491 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 7491 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.

7491 SPN Fault Code

Name:

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