Chevy and GMC Duramax Diesel Forum - View Single Post - “Chuggling” Issue on 2019 L5P Duramax
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post #13 of (permalink) Old 02-13-2019, 07:47 AM
Sawtooth
Senior Member
 
Join Date: Aug 2015
Posts: 260
Man these L5P’s seem to be somewhat trouble prone compared to past Dmax engines. Mine has been good so far but there seems to be a lot of issues online. The 1 guy said he has (5) 2018’s in their fleet and all do this. That’s insane that GM can’t fix this issue.


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2018 GMC SLT 4x4 2500 crew cab
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