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#1
05-09-2007, 01:06 PM
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Check engine light 260e
My cel comes on periodically for a short burst... usually within a minute of start-up ... then goes out..
does the CEL gradually give out? (EDIT) Does the 02 sensor gradually give out? Car is running fine.. as stated before it does need new valve stem seals.
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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 [/SIGPIC] Last edited by lee polowczuk; 05-09-2007 at 04:08 PM. 
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#2
05-09-2007, 03:59 PM
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UNLESS it is a California version only a bad O2 sensor can cause that lamp to come on...
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#3
05-10-2007, 07:58 PM
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When I got my 1989 260e with 100,000 miles on it, the check engine light would go on and off all the time. The spark plugs, wires, distributor cap, rotor and fuel sensor were replaced and it hasn't come on since. It still has the original O2 sensor.
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