Wildcat007 Discussion starter · Jan 21, 2004. tps sensor went bad on me, sled on runs with it unplugged and runs like crap since the timing and p-valves are munipulated by the TPS's input. now i gotta spend 75 bucks at the dealer for a new one :cussing: 2001 ZRT 600 LE: 144 studs and a power breather otherwise stock. Reply. Diagnosinga faulty TPS sensor. In order to diagnose a faulty TPS sensor, you'll need to use an OBD-II scanner or other diagnostic tool. This tool will allow you to check the voltage readings coming from the TPS sensor, as well as whether the sensor is responding correctly to changes in the throttle position. If any of these readings are out of Howto quickly test and replace the throttle position sensor for your car or truck. Typical symptoms of a bad or failing TPS include: poor acceleration, poor theday before that finding out that the codes were showing the bad throttle position sensor and egr valve (which i have already replaced with a new egr valve from advance auto parts) the oem ford one was way more expensive, i also changed the position sensor on top of the egr valve causing the check engine light to turn on, so i put the original one back on the new egr valve and it caused the TheTPS is located on the end of the throttle shaft on the throttle body (TB). By monitoring the output voltge from the TPS, the PCM can determine fuel delivery based on the throttle valve angle. A broken or loose TPS can casue intermittent bursts of fuel from the injector and/or an unstable idle. Maybethe MAP sensor. Big Daddy- I was getting the same problems at start up as well as the stutter AND pinging on excelleration. Last night bought a $25 code reader from Wal-Mart. The KOEO test indicated code 22 (MAP Sensor out of range). Went to parts store, bought new sensor (about $60). .

how do you know when your tps sensor is bad