Are you dealing with a code P2443 on your 2011 Tundra with a 5.7 engine? This could indicate a secondary air injection system switch valve stuck closed. In this video, I’ll walk you through the location of the valve, how to replace it, what causes the code, and how to prevent it from occurring.
When dealing with this kind of repair, it’s crucial to address both the left and right side valves, even if you’re only experiencing a code for one of them. In my experience, if one valve fails, the other is likely to follow suit. As we disassemble the vehicle, I’ll be sharing some tips and tricks for this job, explaining the parts involved, and providing insight into the process.
First and foremost, it’s important to handle the removal of the valves and related components with care. Attention to detail and cautious handling will ensure a successful replacement without causing further damage. Additionally, I’ll discuss the redesigned parts and improvements that can help prevent future issues with the secondary air injection system.
Following the replacement of the components, I’ll guide you through the reassembly process, offering practical advice and demonstrating the correct procedures to ensure everything is in place. Lastly, I’ll conclude with a test drive to verify that the issue has been resolved and share some additional insights on potential maintenance needs for high-mileage vehicles.
Thank you for joining me in this tutorial, and remember to prioritize the proper maintenance of your vehicle to prevent similar issues from arising in the future.
What is the code P2443 in a Toyota Tundra with a 5.7 engine?
The code P2443 in a Toyota Tundra with a 5.7 engine indicates a secondary air injection system switch valve stuck closed.
How can I replace the secondary air injection system switch valve in a Toyota Tundra?
To replace the secondary air injection system switch valve in a Toyota Tundra, you need to locate the valves, remove the aftermarket breather system, disconnect hoses and intake bolts, clean the area, and install new valves and gaskets following specific torque and crossing motion procedure for tightening. Additionally, tubes and pumps may also need replacement, requiring careful handling and connection.
What are some tips for doing the replacement?
Here are some tips for the replacement: 1. Be cautious when handling hoses and parts as they can be prone to cracking. 2. Pay attention to the details of disassembly and reassembly, ensuring correct connections and secure placements. 3. Clean the area thoroughly to ensure proper gasket seating and performance. 4. Use the recommended tools and techniques for bolt tightening to avoid over-torquing and potential damage. 5. Mark and secure connectors for easier reconnection.