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Old 05-01-2021, 11:00 AM   #1
superdav
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Join Date: May 2016
Location: Arkansas
Posts: 200
V4 mode detonation
My wife has a 2018 Silverado that has started making a detonation/preignition knocking when going in and out of V4. Anybody got any tips on this other than delete AFM? I’ve tried high octane it helps but still does it.
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