Strange idle problem...
Landyacht, what you just asked is like reverse Chinese to me. If you could tell me in layman's terms what to do, I'll do it. I'm sorry, but I'm a novice trying to figure all this out.
Also do a search for the key dance. It will inform you of any error codes the computer has found and stored. Checking for codes on computerized vehicles should always be the first step in attempting Diagnosis.






