P0430 Cat Efficiency Diagnostics

An illuminated check engine light has brought a 2012 Chevrolet Traverse into the shop. In this video, Master Trainer Drew Jablonowski of Garage Gurus shows the steps to diagnosing and resolving the problem. Drew starts by scanning the vehicle and it returned a code of P0430, which is catalyst system efficiency below threshold (bank 2). Follow Drew as he runs through the Walker five checks to ensure the catalytic converter is functioning correctly, including: scanning for PCM codes, making sure the vehicle is in proper fuel control by looking at fuel trims and checking for misfires; performing pressure test on cooling system to check for contamination; visually inspect the catalytic converter and look for exhaust leaks before or after the catalytic converter; and ensuring that the correct catalytic converter is on the vehicle.
Through this process, Drew discovers a pinhole leak in the exhaust system and replaces the Y pipe with a Walker Direct Fit Y Pipe. Retesting confirms that the issue was resolved and that there are no converter efficiency issues. Count on Garage Gurus to help you get your vehicle repair done right.

Visit Garage Gurus at https://www.fmgaragegurus.com for more tips and information for your vehicle.

Like us on Facebook:   / garagegurus  

Follow us on Instagram:   / garagegurus  

For informational purposes only. We are not liable for any damages resulting from your reliance on this content.