it just seems like someone is lowering the throttle when I push snow up a hill and have the blade full. also when i'm mowing and going up a hill it does the same. last weekend I was pushing snow on flat land and it was working pretty hard was goin about half throttle, reached down and uped the throttle and it didn't change, till I stopped then it screamed to full throttle. Engine just acts tired to me. She is an Old Gal
