Where EGR valve on 2003 Yukon XL?

2. Locate the throttle body on the left side of the engine, near the front.

3. Follow the intake hose from the throttle body to the EGR valve. The EGR valve is located on the back of the engine, near the firewall.

4. Remove the two bolts that hold the EGR valve in place.

5. Remove the EGR valve.

Here is a more detailed explanation:

1. Remove the engine cover.

- The engine cover is held in place by two plastic clips.

- Use a flat-head screwdriver to pry the clips up and remove the engine cover.

2. Locate the throttle body.

- The throttle body is a round, black component located on the left side of the engine, near the front.

3. Follow the intake hose from the throttle body to the EGR valve.

- The intake hose is a large, black hose that connects the throttle body to the intake manifold.

- Follow the hose to the EGR valve, which is located on the back of the engine, near the firewall.

4. Remove the two bolts that hold the EGR valve in place.

- Use a wrench or ratchet to loosen the two bolts that hold the EGR valve in place.

5. Remove the EGR valve.

- Once the bolts are removed, you can pull the EGR valve out of the engine.