Posts Tagged: P0420 or P0430 Codes

P0420 or P0430 Codes: First Things To Check

First Things to Check if You Have a P0420 or P0430 Codes If you’ve scanned your vehicle and found P0420 or P0430 codes, it’s easy to panic. These codes point to catalytic converter efficiency issues, and replacing a catalytic converter can set you back anywhere from $1,500 to $2,500. Naturally, most people immediately look for cheaper solutions—but let me warn you: there’s a lot of bad advice out there. Many suggest replacing the oxygen sensors as a first step. That’s usually a waste of money because oxygen sensors rarely cause … Read More