Also, if your fuel tank is low and you park nose up on a slope, air will
enter the system, BTDT.
Harry
The external fuel leak is the o-ring seal, doesn't affect anything but
fuel milage, and then only if it's quite large.
However, to replace the o-rings you must remove the valve holder, and
hence must replace the seals as they won't usually seal when re- used.
New springs won't hurt anything, and may correct minor timing differences
between cylinders if they have gotten short from use.
I personally prefer cars that don't drip, although I haven't had many....
Peter
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