Hi; I have a 94 convertible c900 5speed. Car runs good when cold, but after driving for a day or two, 2nd gear seems to disappear. No grinding or popping out of gear, just is not there on an upshift. I can occasionally get it on a downshift. After it sits for a day its back to normal, and...

50K miles. Recently overheated and had head replaced/repaired under warranty. Upon return car runs great for months. Then the dreaded stability control stabilization light came on. Then car would start but would not idle and eventaully choke off. If I kept at it enough, revving engine and...