Question about Craftsman 20 Hp 42" Deck Lawn Tractor
Engine Starts fine and will mow ok and then starts sputttering, but usually does not quit. Will rev faster and slower and will do this under load or not. Last night, I did not have this problem. It also seems that now the engine will not rev up to speed even it the max position. The mower moves slower than it should on the 5-6 tran setting.
Also of note. The first trip on the mower out of the box so to speak, the engine starting sputtering after a couple of hours of mowing. When I looked at the mower, I noticed that one of the hoses was disconnected to the carb. I assume this was a vacuum hose on the side against the engine. I reconnected the hose and have had this problem ever since.
The hose you reconnected was probably for the air to the air filter. Check to see if while the hose was disconnected it pulled grass or dust into the air filter. Check the air filter, try running the mower without the filter. If it runs then replace or blow out the air filter. Hope this helps.
Posted on Jun 23, 2009
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Posted on Jan 02, 2017
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