Three days after changing my spark plugs, my engine started running a bit rough....more like a miss when you accelerate.

pulled the codes, got one for a bad 02 sensor..... but no CEL

I have a spare o2 sensor which i should change.... first i will take a look at the plug connections to see if any loosened.

Car ran great with old plugs...and ran great with the new ones until this problem.

any other ideas?

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


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