Recent content by Asad1012

  1. A

    Cel - p0421

    Hey guys, I drive a 2005 mazda 3 s hatchback with 59k miles. I have had this code pop up on me twice now. I have read around and found that it is supposedly the pre-cat on the exhaust manifold. I got quoted a price of $220 to replace the manifold/pre-cat. My question is should I waste time...
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