Hi folks, our much cherished 1.8T has been driving brilliantly but has developed a problem were the engine cuts out at random. There were pages of error codes that were cleared by fixing a split vacuum hose, loose battery lead and putting back the original Lambda sensor but the problem persists. The engine always restarts immediately buts it's a bit scary if you're doing 70 on a dual carriageway! My mechanic is baffled but a friend suggested crank case sensor or maybe ECU relays. Has anyone had anything similar?