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Old 02-13-2000, 04:42 AM
SCBauman
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I have a 86 190E 16V with about 48,000 miles on it, been housed in a dry garage a lot of its life. One thing I have noticed after I have driven it more is that after it has come to temperature the idle, especially after a long run will either stay up in the 2000 range or drop slowly back to 1000. Some times it will pulse at about 1500 a few times and then wander somewhere else in the dial. I have tried to slip the clutch a few times to bring the engine down to idle, but have found that if I rev it one or two times it seems to come to a steady idle. My question is, What is going on? Could it be the sensor/switch that the accelerator linkage rest on when at idle? or Is it a problem with the computer, pump, or regulator? Any help would be greatly appreciated

Thanks
Pete

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Peter S. Bauman
190E 16Valve 1986
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Old 02-13-2000, 10:06 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
I know that the computer on this car had some glitches that were cured with the later one. The idle is controlled by the control unit when the throttle switch is at idle. You can check this easily. I would suggest the 201 cd we sell in the partsshop. I have one and I own a 16v as well. There is the whole manual in there.

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Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
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