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1990 mazda b2200

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  • #658146
    jarekjarek
    Participant

      My Mazda truck is burning oil quick. The truck is old and has 234k miles anyone know what it could be? Maybe a bad pcv valve?

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    • #658147
      Andrew PhillipsAndrew Phillips
      Participant

        There are a few things it could be. Valve stem seals, piston rings, to name two. The first thing I would suggest is that you run a compression test, write down the readings for each cylinder, dry, then wet. Follow this with a cylinder leakdown test. These tests will give us clues as to how the oil is getting to the fire.

        #658149
        jarekjarek
        Participant

          I suppose there’s a video that teaches you how to do that?

          #658150
          Andrew PhillipsAndrew Phillips
          Participant

            Of course.. http://www.ericthecarguy.com/83-videos/the-basics/1015-how-to-perform-a-compression-test

            The service manual for your vehicle also describes the procedure and what the specifications for proper readings are.

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