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#1
04-03-2009, 09:07 AM
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Question: fault code on EA on 1994 C280
Had my headgasket replaced. I replaced engine harness last year. Mechanic said the EA wire bundle was crunchy and that it suffered the same problem as the engine harness (the dealer had previously sliced into it without my permission and didn't seal it back up, either, bare wires in there). Other than leaking, it appeared to be running just fine although I had check engine light on.
Once back together it didn't run well, lopey idle and rough running. Codes showed bad EA and Air Flow meter. I changed the air flow and that helped tremendously. Frankly, it ran as good as before -- seemed perfect to me. But...EA still showed fault. I found a salvage one on ebay from a 96 wrecked with only 50k miles. Got it cheap. Looked great, wires seemed to be in good shape. Well, it is faulting, too. So, here is my question: If the car seems to run fine, good as ever, and gas mileage is good as ever -- what exactly is causing the EA to fault and until/unless the EA worsens why should I even worry about it?
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1994 C280, dark green metallic 105k miles 1991 190E 2.6, Black 191,500 miles (sold to another forum member) 2003 Chevy Tahoe LT, Redfire Metallic 105k miles 1989 Mustang GT Cobra Convertible 43k miles 
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#2
04-03-2009, 10:09 AM
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What EA code are you getting?? Many codes for items other than the actuator..even the brake lamp switch.
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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
04-03-2009, 10:33 AM
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Quote:
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1994 C280, dark green metallic 105k miles 1991 190E 2.6, Black 191,500 miles (sold to another forum member) 2003 Chevy Tahoe LT, Redfire Metallic 105k miles 1989 Mustang GT Cobra Convertible 43k miles
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#4
04-03-2009, 02:03 PM
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the wiring leading to and inside the ea will be toast you need to get a rebuilt to fix the problem.
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David S Poole European Performance Dallas, TX 4696880422 "Fortune favors the prepared mind" 1987 Mercedes Benz 420SEL 1988 Mercedes Benz 300TE (With new evaporator) 2000 Mercedes Benz C280 http://www.w108.org/gallery/albums/A...1159.thumb.jpg
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#5
04-03-2009, 02:21 PM
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Quote:
__________________
1994 C280, dark green metallic 105k miles 1991 190E 2.6, Black 191,500 miles (sold to another forum member) 2003 Chevy Tahoe LT, Redfire Metallic 105k miles 1989 Mustang GT Cobra Convertible 43k miles
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