Hello my name is Lou.
did you authorize the repairs in any way shape or form???(written consent,verbal over phone,email)
ok i think its a fault with your egr valve i have sent that expert my opinion on what he should tell them, i cannot intervine yet because only one expert can assist at a time until he releases a lock. so i sent him a message and am awaiting his reply,Lou.
ok it will do that everytime i reply just to let you know the ball is in your court. so no worries.