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Old 04-23-2012, 03:54 PM
GreenscapeJosh GreenscapeJosh is offline
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Join Date: Apr 2012
Location: KY
Posts: 5
Engine Dies

I have a 48'' toro hydro walk behind. Proline deck, Kohler command SP15 engine. The mower itself is an 08 and I dont think any major components have been replaced.
Mower model # 30528
Engine Model # CV15T
Now to my problem. . .
The mower will start revving a little once it goes then it will die. It will start back up first pull and idle fine but as soon as I engage the pto it will die again. Seems to be worse uphill. It has gotten worse over the past week that now I can't get two feet. I have changed the gas cap, fuel filter, fuel line. I've drained the tank and used new fuel. I took the bowl off the carb and made sure there was no water in it. Dropped the tank and cleaned it out. I've even took the carb off and cleaned it out real good. Now when I cleaned the carb/tank out it acted much better but slowly started to act up again. (it was doing this at the beginning of the season) I dont consider myself a mechanic even though I work on these a lot. I think I could fix it if I could just figure out what's wrong with it. Anyone have any ideas?
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Old 04-23-2012, 05:06 PM
GreenscapeJosh GreenscapeJosh is offline
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Join Date: Apr 2012
Location: KY
Posts: 5
Forgot one thing, I can usually stop it from dying if i choke it. Even when I was cutting before it got as bad as it is now I could choke it to keep it from dying. Now it's so bad I can't mow at all but when I engage the blades if I choke it (play around with the throttle a bit) I can keep it from dying. Now sure if this helps but hey.
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Old 04-23-2012, 05:10 PM
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cgaengineer cgaengineer is offline
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Join Date: May 2007
Location: Winder, GA
Posts: 15,782
Sounds like the high speed jet is plugged.
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Old 04-23-2012, 08:20 PM
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BigFish BigFish is offline
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Join Date: Jul 2008
Location: chesapeake, va
Posts: 2,614
Sounds like a fuel starvation issue, so, first thing ya wanna do is enter your info here : and check out the carb section. Could be the fuel shut-off solenoid acting up, if yer too cheap to buy a new one, just cut the tip off the plunger. It will work fine, just let it idle/cool down for a bit before shutting it off. If not that, then you need to get into the carb again and clean it out. Pay attention to the float level/ inlet needle. Could be sticking.
It ain't rocket science! far.

'Course if yer house has more wheels than yer truck...
" Old age ain't for sissies "
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Old 04-25-2012, 04:09 PM
GreenscapeJosh GreenscapeJosh is offline
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Join Date: Apr 2012
Location: KY
Posts: 5
Ya, cleaned the carb. again and it's running fine. Being that I just cleaned it out a little over two weeks ago why would it be dirty again? New filter/lines and I drained/cleaned the tank. What exactly is the fuel shut-off solenoid? That little rod behind the float?
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dies , engine , fuel issue , repair

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