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Old 02-16-2025, 07:58 PM
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Default 1772 Running rough

I have an issue with my 1772 running rough and blowing black smoke. Seems to only happen after it is warmed up. I replaced the fuel filter and changed the oil but still having the issue. Any advice or ideas would be great!

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Old 02-16-2025, 09:54 PM
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Does your 1772 have 2 fuel filters? Does it seem to run better at an idle?
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Old 02-16-2025, 10:48 PM
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It only has 1 fuel filter. It definitely seems to be running better when it’s at idle.
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Old 02-16-2025, 10:55 PM
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Is the electric lift pump working good? You should have 2 fuel filters. There should be one on the input of the electric pump and then the paper filter in the fuel bowl assembly.
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Old 02-17-2025, 06:52 AM
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Check the screen on the shut off valve in the tank. I had a similar issue with my 882 over the summer and that screen was blocked.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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