2018 Subaru Outback Catalytic Converter Replacement (P0420 Code)

Common Subaru P0420 Code

• 💡 The video addresses a common issue in 2012-2018 Subaru Outbacks: the P0420 code, often caused by excessive oil consumption leading to catalytic converter failure.
• ⚠️ Despite advising against it due to the oil-burning nature of the engine, a new catalytic converter is installed at the customer's request, with the hope it lasts as long as the original.

Catalytic Converter Replacement Process

• 🛠️ The process involves removing plastic covers, disconnecting oxygen sensors, and unbolting the catalytic converter from the exhaust manifold and flange.
• 🔩 Heat shields and their associated nuts/bolts are often difficult to reuse, necessitating replacement or careful removal and reinstallation.
• 🔍 Specialized tools like RBRT sockets are mentioned for dealing with rounded or damaged fasteners, though standard sockets can sometimes be used.

New York State Emissions Regulations

• 🚗 New York State mandates the use of CARB-certified catalytic converters for all vehicles, regardless of their original emissions package (federal or California).
• 💰 Installing a non-CARB-certified converter can result in a hefty $25,000 fine.
• 📞 The state's