Pfft, that's still nothing on the Vectra EGR....when it'd been stuck open for no idea how long! 
I hate EGR valves tbh, if it weren't for those buggers, swirl flaps and VNT's wouldn't fail so often!!

I hate EGR valves tbh, if it weren't for those buggers, swirl flaps and VNT's wouldn't fail so often!!