poulan pro kohler cv16s

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  #1  
Old 04-20-12, 02:52 PM
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poulan pro kohler cv16s

I have a poulan pro lawn tractor with a kohler cv16s engine. New problem this year engine starts and runs fine 15-20 minutes and starts die out and stalls. Feels like its starving for gas. Wait a few minutes and it starts and runs and dies out in 15-20 Did all the usual season startup change oil,plug, gas and
air filter. I have also replaced fuel line from tank to carb,new gas cap, pulled the carb and cleaned it out. Alter it stalls out there appears to be air trapped in see thru gas filter. The float in carb appears free and not stuck. Last year I replaced the head gasket do you it might be gone again. I was wondering if there is lack of vaccum on the carb??? any suggestions or thoughts. Thanks
Rich
 
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Old 04-20-12, 06:09 PM
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Hello Rich,

Start the engine and let it run till it stalls, Then check for spark at the plug, You could have a faulty coil heating up and dropping spark.

These coils when working correctly WILL bite you so be careful checking for spark.


Good Luck
 
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Old 04-20-12, 08:33 PM
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To add to what 31YTech mentioned, you might try loosening the gas cap before it dies and see if it will continue to run. It could have a blocked vent in the cap, allowing a vacuum to develop in the tank as the fuel in it gets used without being displaced by air.
 
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Old 04-21-12, 06:56 PM
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I did replace the gas cap still no luck, I also tried loosening it no luck either. I still think it has spark after starting to stall. I tried to restart, it sputers and will run only on full choke. I wait a couple minutes and it starts with no problem. I am planning on putting a meter on the coil tommorrow. I did replace the coil last year.
 
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Old 04-21-12, 08:26 PM
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Ah, I see now. I read too fast originally and missed the part about replacing the cap.
 
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