P0430 - Meaning, Causes, Symptoms, & Fixes

#automotive #diy #p0430
What Does Code P0430 Mean?
P0430 definition: Catalyst system efficiency below threshold (Bank 2).
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P0430 Causes
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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)