1999 Toyota Camry 2.2L 4 cylinder: P0401 part 2 - further testing

Attempting to further diagnose P0401 EGR insufficient flow. Note: Off camera before deciding to film, I got good clear vacuum on the right-hand side of EGR modulator, even though I didn't clearly replicate that resold on camera. Disclaimer: I am not a mechanic. Do as I do at your own risk. This video is for entertainment purposes and merely depicts how I did the job. Your experience may vary.