1994 Cadillac Eldorado Q&A

1994 Cadillac Eldorado Question: ISC moter

my isc moter makes noice plus my car is idling high.not only that my service engine soon light is on. -
Answer 1
You need to inspect the Idle Speed Motor, the internal position sensor is not detecting that the tip is extended all the way. As for your Check Engine Light, that may be due to the Idle Speed Control motor or some other things as well. Only way to know is to retrieve the code(s). -
Related Items:
po30 is the code for isc moter rpm out of range in which my car has a fast idle plus the isc moter makes a clicking noice even after i turn the engine off.could it need replacing and will my check ...