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2020 l5p duramax knock at idle cold, worse hot
Link update. The link I previously described for others experiencing knock problems is... ...Engine knock a 500 miles" Yes it is "a" not "at". Thanks...:confused:- Capt. Wackencracker
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- Forum: L5P
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2020 l5p duramax knock at idle cold, worse hot
:confused: Hi everyone. Just signed up to the forum. I picked up my 2020 Denali 2500 hd duramax this week and noticed a loud knocking at idle which increases in volume as the engine warms up. Went back in to the dealer before I even left the lot and saw the service advisor and the diesel tech...- Capt. Wackencracker
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- Replies: 46
- Forum: L5P