I have a 99 Honda Civic LX. I’m not sure how to tell ifI the engine a sohc or dohc, as there is no infortion on the underside of the hood.?

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  • Anonymous
    2 months ago
  • 2 months ago

    Sometimes it is imprinted on the valve covers of the engine!

  • 2 months ago

    Take the top plastic cover off of the timing belt and look to see if you have 2 camshafts.

    Source(s): Mitsubishi Master Tech
  • Ron
    Lv 7
    2 months ago

    dohc will have a channel in the middle of the valve cover with the spark plugs inline

    sohc, no channel and spark plugs lined up on the front edge of the valve cover

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  • Anonymous
    2 months ago

    I believe it to be a SOHC.

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