Emission Control problems of the 2021 Chevrolet Silverado 1500

----warning light flashing at 103 miles on vehicle ,, dealer reset ----450 miles on vehicle stalling ,,warning lights ecm - engine systemp2635 the engine and transmission system is not performing as expected. An issue has been detected in the fuel management system used to maintain, control and monitor fuel consumption. If the check engine light is flashing, a misfire condition has been detected. A misfire increases vehicle emissions and could damage the emission control system on the vehicle. Please reduce vehicle speed, avoid hard accelerations, avoid steep uphill grades, and reduce any cargo loads such as a trailer. If the vehicle is continually driven with the check engine light on, the emission controls might not work as well, the vehicle fuel economy might not be as good, and the engine might not run as smoothly. This could lead to future repairs. Vehicle was towed to maltbie chevy and has been there since Feb 24th.