no fire in cylinder

Discussion in 'Technical' started by tommyboy, Jan 21, 2015.

  1. tommyboy

    tommyboy 77 mav

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    hey guys i am down to 5 cylinders in my 77 mav inline 6 {running like crap} was wondering what would cause it to have dead cylinder I do have a cracked excaust manifold would that mess something up. Figured i would come to the EXPERTS before tearing into it. Thanks!!!!!!!!
     
    tommyboy, Jan 21, 2015
    #1
  2. Krazy Comet

    Krazy Comet Tom

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    Fouled spark plug, bad wire, dist cap... If not one of those, likely has compressions issues that should be verified by compression or leak down test...
     
    Krazy Comet, Jan 21, 2015
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  3. Hotrock

    Hotrock Rick, an MCCI Member Supporting Member

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    Ditto!!!!!!!!!
     
    Hotrock, Jan 21, 2015
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  4. 71gold

    71gold Frank Cooper Supporting Member

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    I had a stuck valve on a 250. I pulled the cover and tapped it with a :smash: and all was good.
     
    71gold, Jan 21, 2015
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