Hi My name is Matt i own a 1995 3000gt SL. My problem is that my car is idle at high RPMs like crazy example I let my car sit for the nite and start it up in the morning and it sits idle at 1500 rpms i drive for all of 10-15 mins and the rpms sit at 3000rpms sitting idle. i am truly at a lose on what do cause i dont know anyone where i live which is bel air md that works on Mitsubishi cars.

Any help to this would most helpful

Thanks Matt