85 jetta wont idle

Im looking at buying an 85 jetta off one of my friends dads...the only problem with it that i need help with is that the car wont idle at all you have to keep the gas pressed always even when starting. Is this a carb. problem. If you need any more info. which im sure you do just ask me specific questions so I can ask them. Im not to good at working on newer cars Im an early model chevy fan myself i just need something cheap for gas mileage.

Adjusting the idle on a CIS fuel injection is almost not even worth it, so I hope it's easier on a carb!

can anyone help please?

Do you have to keep it at high RPM or just keep the pedal pressed. If its high RPM make sure all the plugs are firing, wires, distributor, ignition coil.

you just gotta mkeep the pedle pressed a little bit...i am hopin it just needs a good tune up maybe a new o2 sensor or something but i was just wandering if anyone had ay experiene with that or not...

I have a 91 so I'm not sure this applies. When I had the same problem it was the idle stablilizer. I cleaned it with carborator cleaner and it runs great now.