4791 SPN Fault Code

Name:

Aftertreatment 1 Warm Up Diesel Oxidation Catalyst

Description:

Indicates non-specific failures of the warm up oxidation catalytic converter in exhaust bank 1, such as poor conversion efficiency or high temperature across the device.

4791 spn fault code name is Aftertreatment 1 Warm Up Diesel Oxidation Catalyst. If you don't take the time to look into 4791 spn fault when it arises, it can add up quickly. One small issue like 4791 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 4791 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.

4791 SPN Fault Code

Name:

Description:

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