I have surging when feet is off the gas. surges for about 3 times and then cruises along as if the throttle micro switch is open which allows gas. I made sure the switch closes when pedal is free. yet its the same.

Some say its the trans on its way out. Also it could be a lazy ICV. I have replaced the Fuel pump relay and still the same. So you might want to check the ICV. One sympton that I am having is that after coasting for maybe 20 miles, off the free way and to the first traffic light, the idle would be about 600. feels like the car is dead. It will take about 2 second to react and raise the idle to a comfortable 750.... Could be a lazy ICV.

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1992 200E
M102
102.963
AKA Silver Old Grumpy
Always hope I can freeze someone with the aircon- Just change the compressor again, Subseal leaked with a psssssssss sound.
Its the NON-3 Pointed star items on my car that cost more to repair.$%^&%%*^&