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Thread: cover on cam sensor hole 03 engine

  1. #1

    Default cover on cam sensor hole 03 engine

    Looked at an 03 motor recently and there is a form fitting cover on the cam sensor hole
    Is this just a storage thing or is there some other reason it would be there?

  2. #2
    Mr Miata Solutions Rogue's Avatar
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    Default

    Rubber covered Freeze Plug that fits where the CAS goes on a NA.

    http://parts.arlingtonmazda.com/prod...52d603%29.html

  3. #3

    Default

    Nope this is a little egg shaped plate with a 4mm bolt that covers the sensor hole. Just wondering if this is a sign that the motor is something other than a low mileage example or just a cover to keep crap out in storage. Not familiar with any system where the cam sensor is eliminated.

  4. #4
    Team Cheap Bastard
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    On the front of the valve cover?

  5. #5
    Mr Miata Solutions Rogue's Avatar
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    NB2 have the cam sensor on the aft of the valve cover.
    Its open into the lifter gallery so it would need some substantial type of gasket.
    I plan to just use an old cas, everyone with a NB has a bad one of those.
    Interested in seeing other options though.

  6. #6

    Default

    Some of us have new ones made by import direct that are bad...

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