Where does the breathing come from on a S5 breather pipe as I see no
venting between the filler neck and where it is connected to the
opposite tank. We have had a problem where the car will suddenly act
like it is running on only two cylinders, a judder while driving and not
able to accelerate past 3000 rpms. It seems like fuel starvation. After
resting it appears to go away. I also thought it may be a bad
distributor cap or rotor, but we have replaced the cap, the rotor is
still being observed. Any ideas? Brent
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