Throttle positon sensor

Hello, what testing has been performed that has led you to believe the throttle position sensor is a concern? To me, it sounds more like you're experiencing an air-fuel-spark mixture concern depending on engine temperature and operating conditions. The throttle position wouldn't cause a stutter or shudder. Hands on testing is needed: https://repairpal.com/auto-repair-near-me Click the link or call us at 877-913-1554. We'll gladly find you a certified RepairPal shop in your area.