p0304

  1. 2017 Si w/ 28k miles. Emissions problem, Power Steering problem, Traction Control problem, Hill Assist problem, etc.

    Hi everyone, For the past three years I have owned a 2017 Si coupe that was purchased used with 1200 miles. This car has been daily driven approximately 60 miles back and forth to work 4 days a week, gone on multiple road trips, and has been an absolute pleasure to own. The only modification...
  2. 2017 Si w/ 28k miles. Emissions problem, Power Steering problem, Traction Control problem, Hill Assist problem, etc.

    Hi everyone, For the past three years I have owned a 2017 Si coupe that was purchased used with 1200 miles. This car has been daily driven approximately 60 miles back and forth to work 4 days a week, gone on multiple road trips, and has been an absolute pleasure to own. The only modification...
  3. P0304 - 2 Injectors were replaced

    Started car up and was getting a CEL and pretty much all systems failure even though the car drove fine. Code was P0304 - misfire cylinder 4. You could hear a slight misfire on idle if you listened at the exhaust. Pulled the neg terminal and the lights came back after a short drive... checked...


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