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Ariens Snow Blower - Tecumseh Engine - Cuts out after 10 minutes or so.


mick999's Avatar
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02-05-15, 06:26 AM   #1  
Ariens Snow Blower - Tecumseh Engine - Cuts out after 10 minutes or so.

Hi

Need a second opinion (more likely a confirmation that I'm on the right track).

My Engine is cutting out after about 10 minutes of running or so and then it will restart but only run for 5 or so and so on until it will not start at all until I leave it overnight.

I've cleaned the bowl, jets, etc... I've tried leaving the fuel cap open. Replaced the spark plug and it will not stop cutting out. I then attached my spark plug tester inline between the spark plug and ignitor and the flicker is constant until the engine starts to struggle a little and then the flicker starts to become iratic.

I'm thinking that as the engine / coil heats up the ignition coil / module is starting to fail. My next step I think is to replace that.

Is that the correct path here ?

Thanks

Mick999

 
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02-05-15, 06:39 AM   #2  
Yep, when coils are near death they sometimes stop working when they get hot. Eventually it will quit working altogether.

 
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02-05-15, 06:51 AM   #3  
Try to sand the contact first. According to another forum, that's what one guy did & another drilled a vent hole in the gas cap.

http://www.diyforums.net/snowblower-...s-4785014.html

Also, is there a mixture adjustment on the carb? That might not cause the engine to stall but it would make it run better, in general.

 
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02-06-15, 09:36 AM   #4  
The current carb only has one adjustment - for the idle I guess. I'm going to completely remove the carb and give it a thorough clean. The guys at the parts shop said that they would do that first before buying a new coil.

Will let you know how it all goes.

 
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02-06-15, 10:11 AM   #5  
What about sanding the contact on the coil or replacing the wire? If the carb is dirty, it's dirty all the time not just when it's hot.

 
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02-07-15, 10:30 AM   #6  
I am suspecting the coil too. Loosen the gas cap as mentioned and see if it starts. Usually you can check the coil with an Ohm Meter.

 
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