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February 25, 2022 Service bulletin

Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide

Mack technical service bulletin KC-2157 for 2010-2011 Mack CXU612, 2010-2013 Mack Gu and 2010-2013 Mack Cxu and others.

Bulletin number
KC-2157
Component
Engine and engine cooling
Summary
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions

Owners of these vehicles have filed 3 complaints in the engine category.

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