Check engine light stays on

Biggie88Biggie88 Member Posts: 1
edited June 2016 in Mazda
My Mazda 5 2009 engine light stays on in replace sensor and still on dealer says I need engine harness and other parts but they are expensive. The car runs fine with light, but can't pass inspection.


  • steverstever Guest Posts: 52,454
    What do the codes say? Was it an oxygen sensor that you replaced?
  • aguilaplumaaguilapluma Member Posts: 1
    I replaced both down & upstream o2 sensors w/same results, trying to find mech to clear cel.
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