Howdo you know if your throttle control sensor is bad? - An unexplainable bucking and jerking in the vehicle. - Sudden idle surges. - Sudden engine stalling without any apparent reason. - Hesitation while accelerating. - Sudden surges in speed while driving on the highway. - Intermittently flashing of check engine light for no apparent reason. Abad TP sensor will show symptoms such as an illuminated check engine light, engine and transmission performance issues, and the vehicle being stuck in limp mode. Diagnosing a bad TP sensor involves testing the part. To do this, check for diagnostic trouble codes first. Then, use a digital multimeter to check if the sensor is functioning. 2 3. This article will take you step by step thru' the testing and troubleshooting of the throttle position sensor on your GM 3.1L or 3.4L V6 equipped car (Buick, Chevrolet, Oldsmobile, Pontiac). You don't need an automotive scan tool, since all of the tests, in this article, are done with just a simple multimeter. Stepsto calibrate the throttle position sensor: Turn the ignition ON and wait for a few seconds. Turn the ignition OFF and wait for a few seconds. Turn ON the engine and make sure it is warming up at a normal operating temperature. Check all the prerequisites mentioned above and make sure they are in place. ThingsYou Will Need. +. Disconnect the TPS connector. There are three wires going to the sensor body, the negative ground, the +12 Volt input, and the variable output to the onboard computer. Insert the alligator clip test leads into the appropriate jacks on your DMM and set the "Range Switch" to the 20,000-Ohm or the 20K Ohm scale. DODGECHARGER CODE P0222 P0223 THROTTLE POSITION SENSOR B, CHECK ENGINE LIGHT Dodge Parts here: More Specific Parts Bellow If you h Howto fix it. First, try the throttle reset procedure. Turn the key to the ON position. Position II, that is. Don't start the car. Press and hold the gas pedal for at least five seconds. Keep the pedal pressed. Turn the ignition off but do not remove the key. Now release the gas pedal. 2m1vYH2.

how do you know when your tps sensor is bad