. Excessive high speed drivingAhem....
What Is the Cause of Code P0430?
- Faulty oxygen sensor
- Faulty air-fuel sensor
- Worn or internally failing catalytic converter (Most Common)
- A leak in the exhaust system
- Misfire (the root cause of converter failure)
- Rich or Lean air-fuel ratio (the root cause of converter failure)
- Leaded Gasoline (the root cause of converter failure)