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Old 06-23-2019, 10:02 PM   #1 (permalink)
Gear Grinder
Join Date: Jun 2019
Posts: 2

2011 lml idling problem

2011 lml cp3 conversion cat filter truck runs great when idling I rev up the engine and it will stall when idling down at around 1000 rpms truck almost dies out

2011 lml duramax
cp3 conversion, cat filter
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