I bought a Saab 9000 Bj.88 (Motor B202): Unquiet idle, after cold start the engine commutes between 500-2000 RPM, when it is warm it runs restlessly. After I take away gas the speed drops to below 500 and it likes to drain off. I have worked on an idle control valve with brake cleaner and did a new throttle damper – no change.In the lower speed range it runs rough, but from 3000 tours it pushes off powerfully.When accelerating bright whistles?Today after start the electronics (inside blower, window lifter etc.) has no power. After restart everything works again (accompanied by a strange noise from the rear). Euro 2 does not seem to be possible, since I do not get a cold run controller for the car. What can I do?