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2016 6.0 pinging


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Ive got a 2016 2500HD CC 6.0 that is pinging under light throttle.It alsost seems like the truck lugs down to much before a downshift.Ive tried different octans,gas stations and it has been to the dealer which of course they said it was all fine...My thought is a modern engine shouldn't ping.Any help would be great

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I'd say it's because GM has got these trucks ECM tuned too lean for better fuel economy. I'd bet a aftermarket tune would help out. Hope you get your problem figured out.

 

Daniel

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