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Old 06-20-2018, 05:50 AM
ccaissie ccaissie is offline
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Join Date: May 2018
Location: Maine
Posts: 1
Default CH16 fuel pump issue?

Twice I have had a stalling and failure to restart my 2166 CubCadet mower with the CH16 engine. It happened both times when mowing a steep incline with a low fuel condition..sputtering and then stalling out. When on level ground with a full tank, it will start on full choke then stall.

It will sputter when given a shot of ether, and if I give it more, will keep running. Hate to do that...diagnostic thing only...

Pulling the filter and fuel inlet to the pump, there's a steady stream of fuel. Blow back through the tank is free. First time this happened, I finally got fuel up to the carb and it ran and started reliably for a month.

Do I have a marginally faulty fuel pump or is there some other tricky thing going on? Does it just take forever for a pump to reprime? I'll go over the whole system again, check fittings like the last time, and "she may come out of it", but I'd like to avoid this in the future. No other engine I have acts this way.
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Old 06-20-2018, 07:52 AM
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ol'George ol'George is offline
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Location: MI
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I had a similar problem for a couple of years,
finally dug into it when it stopped entirely.
Turned out to be the fuel pump.
They have 2 valves inside, and they are retained in place by a staking operation in the housing.
It failed after many years operation, so one of the valves was flopping around instead of remaining in place, thus it didn't pump when the valve was out of place.
I was glad it happened though, as the diaphragm was badly worn/frayed and in a short time would of ruptured and filled the crankcase with fuel, which could of caused catastrophic engine failure.
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Old 06-20-2018, 09:53 AM
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Sam Mac Sam Mac is offline
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Must be the year for 2166 fuel problems. There is another guy with the same problem in the CCC/MTD section.
http://www.onlycubcadets.net/forum/s...ad.php?t=52511

Fuel pump Kohler 12-559-01
https://www.google.com/search?ei=YzY....0.du1qUmFgs_o
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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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