Toyota Camry EGR Valve Test

Performed A Smoke Test For Vacuum Leak, Only Spot Leaking Is From Under The Cap Of Egr Vacuum Modulator (the Hole To The Modulator Filter)....

I Have A 93 Camry 2.2l And I Want To Troubleshoot The Egr Valve System. I Know There A Re A Few Compoents. I Believe That The Egr Is...

I Recently Got My Car Smog Tested And It Failed Because My Check Engine Light Wouldn't Turn On. I Was Told My Car Was Fine When I Had It...