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#1
10-03-2008, 06:06 AM
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My 230TE -87 M102 Loosing the breath
I have a big problem with one of my cars.....
At cold condition it runs so good, no misfiring etc... but when it begin to get warm the engine starts to loose its breath like your'e strangle it, and begins to misfire. At some moments the power comes back and runs like normal. But the idling is really smooth. The ignition parts is just changed (plugs, leads, and the distributor) with no success, it's also the right timing. When I rich the mixture it gets rougher idling but it runs like a beast and no misfiring at all, but smokes black The hoses and diaphragm (right word?) is unbroken, checked with "motor starter" OVP, Fuel pump relay and KE-box have been Resoldered on suspiciuous cold-soldering spots with no change Going to test the piece-of-**** with the Oxyen sensor unplugged to see what that gives, the cat is empty, as well the small "pre-cats"/"spark-eaters" And the fuel consumption.... 20 litres per 100 kilometres 
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Patrik Nilsson -83 230CE -88 230TE -87 http://www.hastonnet.se/putte/avatar-new.jpg 
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#2
10-03-2008, 08:04 AM
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The O2 sensor is a good possibility.
IF that doesn't help I would want to check the fuel pressure, system perssure should be 5.2-5.6 Bar. & the lower chamber exactly 0.4 Bar lower.
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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
10-03-2008, 11:01 AM
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I'd drived about 70 km with the O2 unplugged now... runs like a beast all the time
 , think that I keep the O2 unplugged, less things that can failure
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Patrik Nilsson -83 230CE -88 230TE -87 http://www.hastonnet.se/putte/avatar-new.jpg
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#5
10-03-2008, 07:00 PM
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Quote:
i used a iron spit for that, last summer a week after I bought the car.. there's no problem to waste'em now coz' it's nothing to waste and everything below 20 litres at 100 kilometers is a better fuel consumption for me.... believes it will take about 9 litres to get 100 kilometres now... time will tell 
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Patrik Nilsson -83 230CE -88 230TE -87 http://www.hastonnet.se/putte/avatar-new.jpg
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