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#1
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idle issues in 91 500 sl
High idle and poor fuel mileage on /91 500 sl most likely culprit..wrong plugs...bad wires? (recent acquisition)
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#2
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Are there any MIL lights on? Check engine or ASR?
Has the car had recent servicing? Is the O2 sensor original?
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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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