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#1
11-02-2008, 10:51 AM
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91 500 SL occational miss in engine
91 500sl has fresh tune up including new injectors and fuel filter, onstart up sometimes single cyl miss which clears up and sometime miss on acceleation which also clears up I'm thinking possible fuel distributer but not sure, any suggestions...............91000 miles on unit
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#2
11-03-2008, 09:11 AM
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You say tune-up?? how about spark plug wires & distributor caps??
__________________
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
11-04-2008, 08:20 PM
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plugs,wires dist caps and rotors new, At one time I had isolated the miss and tried a different plug,wire,and injector with no result, got frustrated reved up the engine and the miss disappeared but it comes back when it feels like it usually disappeares in a few seconds when driving off, If it should happen on startup it also disappeares in a few seconds.....HELP!!!!!!!
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#4
11-05-2008, 10:57 AM
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after all that youve done i agree about fuel distributor.prob not providing enough fuel at idle from 1 cylinder usually #3 or #4.
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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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