To locate it more precisely:
1. Consult a repair manual: A Haynes or Chilton repair manual specific to your 1997 Chevy Venture will have diagrams and precise instructions on locating the TPS. This is the most reliable method.
2. Online diagrams: Search online for "1997 Chevy Venture throttle body diagram" or "1997 Chevy Venture TPS location". You might find images that show its position.
Remember to disconnect the battery's negative terminal before working near any electrical components to prevent accidental shorts.