How much horsepower does a 99 Chevrolet s10 4.3 liter?

The horsepower of a 1999 Chevrolet S10 with a 4.3L V6 engine varied slightly depending on the specific trim and configuration. However, it generally ranged from 190 to 200 horsepower. You'd need to check the specific vehicle's documentation (owner's manual, sticker under the hood) for the exact figure.