Mack MD642 5589 SPN Fault Code

Name:

Aftertreatment 1 Secondary Air Absolute Pressure

Description:

Absolute pressure of the secondary air for aftertreatment 1. Secondary air is air provided to the exhaust system (per SAE J2403).For gage pressure, see SPN 3837.

Mack MD642 5589 spn fault code name is Aftertreatment 1 Secondary Air Absolute Pressure. If you don't take the time to look into Mack MD642 5589 spn fault when it arises, it can add up quickly. One small issue like Mack MD642 5589 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 Mack MD642 5589 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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