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Hot!Scag cub

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jwatson2810@gmail.com
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2020/11/04 12:55:13 (permalink)
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Scag cub

Starts then dies. Koehler 20 . Starts up normally then dies immediately 5 seconds but will start again and dies . Changed ignition switch but no change still dies.

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    AVB
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    Re: Scag cub 2020/11/04 13:19:00 (permalink)
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    Going to need the STC model and serial numbers along with the Kohler engine model and spec numbers so can look-up the mower.
    post edited by AVB - 2020/11/04 13:23:14
    jwatson2810@gmail.com
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    Re: Scag cub 2020/11/04 18:43:55 (permalink)
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    Stc48a20cv zero turn , serial 9260787,model 87174
    Roy
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    Re: Scag cub 2020/11/04 19:49:47 (permalink)
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    What are the engine numbers? That is where the problem is.
    jwatson2810@gmail.com
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    Re: Scag cub 2020/11/04 20:39:04 (permalink)
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    Cv20. 65597
    jwatson2810@gmail.com
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    Re: Scag cub 2020/11/04 20:40:44 (permalink)
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    Commmand series not finding the new ag on the engine
    Roy
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    Re: Scag cub 2020/11/04 21:10:31 (permalink)
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    Enter as CV20-65597, it is a good number. Check the fuel line, it may be spongy and collapsing. Als look at the fuel filter.
    AVB
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    Re: Scag cub 2020/11/05 04:41:14 (permalink)
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    As Roy most it is carb related problem.
     
    Check the usual stuff like fuel in bowl for water. Loose electrical connection causing the fuel solenoid to drop due engine vibration. The wiring doesn't show the fuel solenoid wiring circuit but I know it got to be there.
     
    If wish to clean the carburetor the ipl is showing that you have the single barrel Nikki which the repair kit is PN 24 757 18-S. Now Nikki and Kohler are proud of these kits so they are expensive when to other carb kits.
    jwatson2810@gmail.com
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    Re: Scag cub 2020/11/05 09:59:46 (permalink)
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    Good fuel flow good hoses , noticed some oil leakage wondering if oil sensor could be activating will check out today
    jwatson2810@gmail.com
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    Re: Scag cub 2020/11/06 14:01:57 (permalink)
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    Had a loose oil filter but continues to die after 5 second will start immediately back up , fuel filter good hoses good , sounds good when running sounds electrical could oil sensor be the problem
    Roy
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    Re: Scag cub 2020/11/06 15:03:26 (permalink)
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    Unplug it and find out.
    jwatson2810@gmail.com
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    Re: Scag cub 2020/11/06 16:08:59 (permalink)
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    Found solenoid at bottom of carb / now earlier it started then tried to die then it speed up somewhat and would run with full choke and when I eased choke of it would start to die and then it finally died . Then back to same routine starts runs 5 seconds and dies and will immediately start again
    Roy
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    Re: Scag cub 2020/11/06 19:28:40 (permalink)
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    The carb needs a thorough cleaning, also replace the fuel filter
    jwatson2810@gmail.com
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    Re: Scag cub 2020/11/06 22:09:56 (permalink)
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    Ok thanks I am suspecting water
    Roy
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    Re: Scag cub 2020/11/07 11:35:05 (permalink)
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    Drain the tank and add a small amount of isopropyl alcohol to fresh gas.
    jwatson2810@gmail.com
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    Re: Scag cub 2020/11/07 11:37:21 (permalink)
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    Yes Thank you for your help
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    Re: Scag cub 2020/11/18 18:00:44 (permalink)
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    I have drained fuel system , no water noted , removed fuel bowl , clean . Changed plugs , installed new fuel solenoid , fuel filter is clean and adequate fuel getting through system . As stated before it start sounds normal but dies after 3to5 second. Will immediately start backup . It sounds to me something is killing it electronically any help sure appreciated
    jwatson2810@gmail.com
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    Re: Scag cub 2020/11/24 12:45:49 (permalink)
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    Anyone have an idea
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