Mine died at 78,000 with the same problem. Needed $8,000 in repair after an entire overhaul of the engine at 67,000. Worst piece of crap on the road. Not to mention a $23k price tag. I'll never buy another VW. I don't have $50,000 to spend on an economical car.
I read carefully your comment, may we know the name of your machanic so we can avoid that person. I invite you to check on the net the price of all part and see by yourself that your repair cost was way over a reasonable price. Most the people I know keep their Jetta over 400K without any issue other than normal maintenance. We own one and never experience this. My father have 3 and my neighboard is at is 7 one without any issue.