Since you've already checked the usual location (left of the throttle body), you'll need to do some more thorough searching:
* Trace the EGR Vacuum Line: The EGR valve is controlled by vacuum. Locate the vacuum line that runs to the EGR system (it's usually a thicker line). Follow that line back to its source—the valve should be at the end of it.
* Look Around the Intake Manifold: The EGR valve often sits on or near the intake manifold. Examine the entire area of the manifold for a small, usually rectangular, valve with a vacuum line connected.
* Consult a Repair Manual Specific to Your Vehicle: A Haynes or Chilton repair manual for your exact year and engine will have precise diagrams and descriptions of the EGR valve location. These are more reliable than generic diagrams.
* Use Online Resources Carefully: While online forums and parts diagrams can be helpful, be cautious. The accuracy can vary greatly. Match any visual clues you find online to your actual engine bay.
* Consider Professional Help: If you're still unable to locate it, a mechanic will be able to quickly identify it.
Remember safety precautions: Always disconnect the negative battery terminal before working near the engine. Be careful not to burn yourself on hot engine components.
