Recent content by kws0623

  1. K

    2005 Mazda 3 Rough idling / running rich after warm up. No codes.

    Turns out it was the wrong spark plugs the last owner put in the car, they were the wrong ones. They were too hot and not made for that engine. I put the new ones in and now it runs perfect.
  2. K

    2005 Mazda 3 Rough idling / running rich after warm up. No codes.

    If the egr were to be clogged why does it clear up when the car is fully warmed up. I almost changed the EGR but decided not to on the recommendation of others. They said if it was clogged the problem would persist and it wouldnt make a difference if the car was warm or not.
  3. K

    2005 Mazda 3 Rough idling / running rich after warm up. No codes.

    OK I work at a car parts store with a couple really good mechanics and we're all stumped by this one. When I start my car and drive it a couple miles and then return to idle my engine starts to run extremely rich and runs rough. It shakes and you can feel it in the car, it actually sounds...
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