I have a 04 3rz the check engine light came on with code p0402 (excessive flow) I cleaned the iac and the egr (with carb cleaner). The egr seemed ok. It moved up n down when I added vacume to it. And after I installed it. I added vacume to it. And the motor stalled. (Isn't that what's suppose to happen?) all the vacume lines are good. for some reason the check engine light came on again. Should I look at something else? Or should I just replace the egr?
I checked a couple forums. I can't seem to find a straight answer what it could be.