One problem related to engine shut off without warning has been reported for the 1999 Volkswagen Jetta. The most recently reported issues are listed below.
Vehicle hesitates when taking off from stop and go. It launches forward like a delay with mass air flow sensor, but vehicle it still hesitates. Dealer says they can't replicate problem. The vehicle's hesitation became more frequent after each sevice and finally the engine shut off after the 34,000 miles service.