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Old 10-17-2003, 05:08 PM
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Join Date: Oct 2003
Posts: 1
Angry Rough Running 16V 190E

For the past 3 weeks I have been trying to sort an extremely rough running 190E 2.5 16V none CAT model. The original problem was rough running on idle and high hydro carbons. All the obvious, such as air leaks, plugs, cap, leads, rotor arm, valve clearance, valve seats and new injectors, have no difference what so ever. I'm tearing my hair out over this now!!

Help us Obi One - You're our only hope....................
Deutsch Technique
Units 12-15
Athron Developments
Churchill Road
South Yorkshire

Tel: +44 01302 328 906
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Old 10-17-2003, 05:16 PM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
I'm sure that the compression has been checked already but I didn't see that on your list. If not make sure to check the compression.
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)
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Old 10-18-2003, 12:56 PM
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Join Date: Aug 2003
Posts: 187
Try a new fuel filter. Fuel filter's really mess up a lot of older Benzes.

If anything, will improve your performance down the line.
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