Ok so i have a 2001 Jetta 1.8T. I did a vacuum test on it today and i had a bad leak. I checked the diverter valve and the fuel pressure regulator. I need ideas as to where to start looking for problems.
Any input would be appreciated.
i just did this to mine, i took some water with soap in it and sprayed around where i thought it may be leaking. i had a crack in my PCV hose coming out of the block and the gasket under the cam tensor right next to the valve cover was bad but that's just me.