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My 562XP has a bad bog

Discussion in 'Husqvarna AutoTune Saws' started by Mastermind, Jan 28, 2017.

  1. afleetcommand

    afleetcommand Pinnacle OPE Member

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    Be curious to put that carb on CST and find out the history & last fuel settings.
     
    Last edited: Dec 19, 2017
  2. huskihl

    huskihl Sausage Lives Matter

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    Any more discoveries on this subject? I've got one here with an EL46 on it with the same bog. If it idles for more than 5 seconds it bogs with a puff of black smoke when I nut it.
     
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  3. Moparmyway

    Moparmyway Its just a saw GoldMember

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    Does the puff of black happen before the bog or after ?
     
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  4. huskihl

    huskihl Sausage Lives Matter

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    Hard to tell. Pull the trigger, 1/4 second hesitation, puff of smoke gets blown out as it revs up. Cleans out instantly like it never happened.

    It's not loading up at idle, if that's what you're thinking. It doesn't load up until you pull the trigger
     
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  5. Moparmyway

    Moparmyway Its just a saw GoldMember

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    Welp Kev, here goes .................
    As far as the idle, I dont believe that there is any problem there
    I believe that you have a lean condition, the autotune is trying to compensate for it by opening the fuel valve, recovering, and belches out a burp of black smoke while it pulls back on fuel, from recovering from a lean condition

    These computer controlled carbs are fast, but please consider what happens FIRST
     
    Last edited: May 3, 2018
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  6. Chainsaw Jim

    Chainsaw Jim Con Artist LLC

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    Does it do the same thing if you run it without the air filter?
     
    Last edited: May 6, 2018
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  7. huskihl

    huskihl Sausage Lives Matter

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    Hmm. Never tried that. It's a mesh style filter
     
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  8. huskihl

    huskihl Sausage Lives Matter

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    I'm thinking now it's actually a lean bog, but the AT over compensates instantly and floods it a tiny bit
     
  9. huskyboy

    huskyboy Sorta a husqvarna guy...

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    That’s what I’m guessing. A reflash gets it fresh slate to start over so it’s not thinking it’s a airleak is another guess. However the el46 has been a problem carb so I’ve heard.
     
    Last edited: May 6, 2018
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  10. huskihl

    huskihl Sausage Lives Matter

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    I've found the same thing from reading up on here and talking with others. The effects of the re-flash may possibly only last a month or 2 before it reverts, also. A new EL48 seems to be the fix
     
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  11. huskyboy

    huskyboy Sorta a husqvarna guy...

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    I wonder how the early el44 carb saws ran or if they were better than the 46?
     
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  12. Onan18

    Onan18 OPE Sponsor GoldMember

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    The 44 was really a better carb than the 46 Mason, every one I have ever had has been flawless.
     
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  13. huskyboy

    huskyboy Sorta a husqvarna guy...

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    What happened to don’t fix it if it ain’t broke? Lol. I guess they wanted to try improve it?
     
    Last edited: May 6, 2018
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  14. Moparmyway

    Moparmyway Its just a saw GoldMember

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    I’ll betcha that lean condition can be fixxed without having to change carbs
     
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  15. huskihl

    huskihl Sausage Lives Matter

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    I'm sure it can
     
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