also i might add...
i have not driven the 16v in 3 months, today i drove it 100 miles to clean it up ,and at some stop lights when i came to idle the engine was jumping from 500 to 1500 rpm, give it gas it stoped
then came back but didnt stall, and at idle for longer then 5 min the o2 light comes on,then goes off when driving????
the car must have not liked this winter