Where is the egr valve on a 1993 Pontiac transport?

The EGR valve on a 1993 Pontiac Transport (assuming the 3.1L V6 engine, as that was the most common) is located on the intake manifold. It's usually on the passenger side (right side) of the engine, near the back. However, the exact position can vary slightly depending on the specific engine configuration.

To locate it definitively, you'll need to:

* Consult a repair manual: A Haynes or Chilton manual specific to your 1993 Pontiac Transport with the 3.1L V6 will have a diagram showing the exact location of the EGR valve. This is the most reliable method.

* Look for a vacuum line connected to it: The EGR valve has a vacuum line attached that controls its operation. Tracing this line might lead you to the valve.

* Look for a small, rectangular or square valve with a vacuum line and electrical connector (sometimes): The EGR valve itself is relatively small. It may have a single vacuum line and might also have an electrical connector for some models.

Remember to be cautious when working around the engine and always disconnect the negative battery terminal before doing any work.