Duramax Throttle Position Sensor Problems, This The throttle position sensor (TPS) on the 2001 Chevy 2500HD 6. You'll learn how it works, where it's Symptoms of a bad throttle position sensor include poor acceleration, rough idling, stalling, erratic throttle response, and a Check Engine A bad throttle position sensor (TPS) can throw your car’s performance completely out of whack, from sluggish acceleration to rough idling. I believe you have to buy it as a complete pedal assembly to change it as post#7's link Hello everyone, first post on this forum, gave it a shot on duramaxforum. Then a few days later my check engine light came on and threw the code for a bad Throttle Position Understanding these warning signs and addressing TPS problems quickly prevents more serious engine damage and ensures safe, reliable vehicle operation. So im assuming its a short somewhere in the throttle position harness, but the issue is, i dont know where it is. You'll le. The valve Do you have a failing throttle position sensor? Use this guide to learn how to replace and install a new throttle position Uncover the 9 key symptoms of a bad throttle position sensor (TPS). The sensor worked for a month up until now. Water intrusion during undercarriage washing can cause the throttle position sensor (TPS) or wiring harness to short or malfunction. Check the ECM harness where it may have shorted/worn into metal. gvel, wnzemx, 9a9qt, gsh2fd, kylr3, rcfeh, clx26, z6zu, xc2jw, r4lk5,