Q: Car is missing occassionly. more when using cruise control and going up incline. on 2009 Buick Enclave

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Tried fuel inject treatment, gas treatment and premium gas

Yesterday, for first time engine light blinked off and on when it happened
(1) Answer
You need to take your vehicle in to your local auto repair shop to have it scanned to find out what codes are affected. Goodluck