In a large resealable plastic bag, combine the flour, salt and pepper. Add beef, a few pieces at a time, and shake to coat. In a large skillet, brown beef in oil.
Combine the onion, carrot, water, celery, green pepper, ketchup, picante sauce and vinegar; pour over beef. Bring to a boil. Reduce heat; cover and simmer for 60-75 minutes or until beef is tender. Serve with pasta. Yield: 6 servings.