2016 Buick Encore Mileage 52,358 Service Date 7/25/2023 Services Performed Scan Engine. Codes P 0304 missfire #4 P 0299 Underboost on Turbo Replace All Spark Plugs. Raymond C. gave our service a 5 star review on 7/26/2023 CRM Mitchell1 2023-07-27T22:01:51+00:00