I have a 2000 VW Beetle with 2.0 and it has been sitting for a while. I changed out the battery, put in a new front O2 sensor, changed out the hoses that go to the Booster and the Combi Valve because they did not look good, and then changed out a similar hose on the passenger side of the intake mani which goes to a valve.
It still does the same thing...I crank it, it will start for 2 seconds then stall. I give it gas but that does not help. If I give it gas it will rev up but then again quickly stall and sometimes it makes a weird buzz type noise as it dies. At the beginning before I did the initial repairs the codes 0171 and 0411 popped up and I have since cleared them.
I am at a loss, any help?