halogenmoon
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- Joined
- May 8, 2012
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So I've got a Bolen by MTD with a Briggs and Stratton 550 engine. It has started sputtering while I'm cutting grass. It acts as though it's about to die, then revs back up, then revs down, then up. Does this in about 1 second intervals but never actually dies. I've changed the spark plug, drained all gas and replaced with fresh bought gas, changed the oil, cleaned the filter, and tried adding Seafoam carb cleaner. Have also checked to make sure the vent holes in gas cap aren't blocked. Still having the problem and have no idea what to do next. Please help!