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Mike61096 Mike61096 is offline
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Posts: 11
Join Date: May 2019
Car: 2019 Kia Stinger GT
Default 2019 Stinger GT 3.3T shudder/pulsation under light throttle with jb4 - 05-29-2019, 09:47 AM

Recently I started noticing that with the jb4 installed on my 2019 stinger gt under light load ~50% throttle while accelerating the car exhibits a noticeable shudder when the transmission downshifts 1 gear. Best way to describe it is as if the throttle was cutting in and out quickly. This doesn’t happen when on map 0, but does happen in maps 1,2, and 5. Mods done to the car are jb4, HKS spark plugs, agency power intakes, BOVS, fmic, Jun bl secondary *** deletes, and an ark grip *** back exhaust.
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