If you’re looking for the EGR valve on your 2002 Toyota Corolla, it’s actually located on the engine itself. The valve is usually found near the top of the engine, just behind the throttle body. On some models, it may be located on the side of the engine near the firewall.
If you’re looking for the EGR valve on your 2002 Toyota Corolla, it’s located on the back of the engine, near the firewall. It’s a small black valve with two hoses attached to it. One hose goes to the exhaust manifold and the other goes to the intake manifold.

Credit: parts.olathetoyota.com
Q: Where is the Egr Valve Located on a 2002 Toyota Corolla
A: The EGR valve is located on the side of the engine, near the firewall. It is a black, cylindrical component with two vacuum hoses attached to it.
Conclusion
Assuming you would like a summary of the blog post titled “2002 Toyota Corolla EGR Valve Location”:
The author begins by stating that the EGR valve is located on the back of the engine, near the firewall. He then goes on to say that it is a good idea to replace the valve if it is leaking or damaged.
The author provides instructions on how to remove and install the new valve, and includes photos to illustrate the process.