As you know the 380SE with the euro 5.0 idles at around 900-1k rpm all the time. I just fired up a full fledged euro 82 500SE that is here for the first time in a few months and it idled at 900-1k, then after a few minutes it all the sudden clicked down to a normal idle of about 650 or so. So it appears my car is stuck in cold high idle. What controls this function? Is their some sensor that adjusts the idle after it has reached a certain temp? Maybe this sensor is bad on mine. Or is their some vacuum control that adjusts the time after it has warmed up that causes it to idle down?
Kaleb C. Striplin/Claremore, OK
 89 560SEL, 87 300SDL, 85 380SE, 85 300D,
 84 250 LWB, 83 300TD, 81 300TD, 81 240D, 81 240D,
 76 450SEL, 76 240D, 76 300D, 74 240D, 69 250

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