Hey guys, I'm new to the group and I have a situation. Last few days my truck will hesitate a lil when I'm at 1500pms. I figured I need a tune up. I have 2012 buick enclave with 154,000 miles. But today I stopped at a stop light and my reduce engine power indicator popped on. I could barely accelerate and truck got up to 45 slowly like limp mode has kicked on. I need answers if anybody has any.