nissmax

hey guys, got a surging problem on my 92 gxe. took to mechanic,they replaced 02,fixed it , or helped for awhile. constant surging at all times,except when cold[closed loop??]. anyone else have this? heard nissan 02's were junk,put another brand on? not sure new o2 really fixed problem before. thanx,bob.
ps...anyone still use those copper washers for oil drain plug??/



12 !!!! new exhaust studs
flex pipe
tape player died
static using volume ****
paint died on hood, mirrors
short in horn
water in headlights
91,000 mi.