Originally Posted by 85 500sel

I really need to know if the problem is the icv or the idle control relay. I read that I can clean or (soak) the icv. Is there a way to check the idle control relay. The icv is around 300.00 on fast lane. I haven't priced the idle control relay yet. I don't want to replace the wrong part. I haven't driven this car but 6000 miles over the past two years. Could this be contributing to the problem. The car has 132,00 miles on it. Thank you much.