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echo blower pb755 problem...help.

Discussion in 'Mechanic and Repair' started by toronto363, Apr 10, 2010.

  1. toronto363

    toronto363 LawnSite Member
    Posts: 4

    i have 5 of these blowers, they usually are good to me, i bought this one a year and a half ago. It only takes a few minutes after i put a new plug in until it starts to run rough. I take the plug out and its all burnt looking, even the top of the piston looks like it has some burnt white ash. I cant figure this one out, any help would be greatly appreciated. Btw, i have a new air filter, fuel filter and the spark arrestor is out.
  2. topsites

    topsites LawnSite Fanatic
    Posts: 21,653

    Ignition module.

    Seeing how you have five I would probably swap this component between two blowers to
    see if the problem transcends, and I realize it's a bit of labor but a new one's like $80!
  3. sharkey

    sharkey LawnSite Member
    from Pa
    Posts: 48

    Sounds like the engine is running too lean. Are you at all familiar with a barrel carb?
  4. toronto363

    toronto363 LawnSite Member
    Posts: 4

    i actually tryed putting a new carb on and its still doing the same, i will try the ignition module swap. Thanks for the help, will let you know how it goes.
  5. qualitylawnpro

    qualitylawnpro LawnSite Senior Member
    Posts: 543

    you ran the wrong gas 87 will do this!

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