When we first took our Beetle to Grand Garage, the problem recurred a week later after a $460 repair. Initially irritated, I called the owner who asked me to bring the car in at my earliest convenience, and worked with me until the problem was resolved. The replacement fuel pump, which seems unrelated to the ECU, was causing spurious faults, probably via the fuel gauge sending unit. The fuel guage is still quite inaccurate, but the car is fine other than that. If you have a VW and are looking for service in Escondido, go to Kotter's VW. But Grand Garage is an honest, well-run shop.