Nah, alot of garages might not have a clue about alot of things if they never had it before and its a problem so many things can effect it they never know where to look.
If its a simple problemalot of garages might like to charge for an ECU because no one will know if they replaced an ecu or not! can blame it for anything
If its a simple problemalot of garages might like to charge for an ECU because no one will know if they replaced an ecu or not! can blame it for anything