1)   Car Troubleshooter (PPC OS) 1.0 Car Troubleshooter is a mini-expert system. It allows finding of the causes of a car's problems in a few minutes by means of answering a set of yes/no questions. 2)   Car Troubleshooter (Windows OS) 1.0 Car Troubleshooter is a mini-expert system. It allows finding of the causes of a car's problems in a few minutes by means of answering a set of yes/no questions. 3)   Car Troubleshooter (Palm OS) 1.0 Car Troubleshooter is a mini-expert system. It allows finding of the causes of a car's problems in a few minutes by means of answering a set of yes/no questions.