2004 Saab 9-3 "comment reparer" Questions

Saab 93 Convertible When I try to lower the roof on the car it stops and says 'sunroof obstructed'. It isn't! I've gone under the mechanism and wd 40'd it...no change.Any ideas or previous experiences

95 Altima,start,runs well until you put it in gear,automatic, step on thegas and it goes blaaaah and dies.Easiest way to restart is hold gas pedal to floor. No check engine lite on. With trans engaged