I've had some trouble with my lifter pump and so I removed the back seat of my Mk1 Golf/Rabbit to access the pump and fuel tank. As I was removing the 'lid' to access the tank the aged seal/gasket ...
I have recently had a fuel/air control part replaced in my car. That was done after replacing plugs etc. The problem it had was it was sacking really hard but going nowhere, once I got past 1st gear ...