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Won't complete monitors
Posted to Emissions Forum on 7/25/2017 15 Replies

This is a 2013 Duramax LML that we have driven over 1K miles and can't get the misfire, components, NMHC catalyst and the EGR system monitors to complete for smog test. There are no codes or pending codes present. Mitchell has a drive cycle listed but it says ... Login to read more.

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car Vehicle Data

2013 GMC Sierra 3500 HD SLT 6.6L

Engine6.6 L
Trans6-speed Automatic (Electronic)

car Vehicle Data

2013 GMC Sierra 3500 HD SLT 6.6L

Engine6.6 L
Trans6-speed Automatic (Electronic)