You could have, a check engine light, transmission shift issues, bucking and jerking, idle surging, engine cutting off, hesitation when taking off, surge while cruising down the highway. There are many possible symptoms. You could have any one or any combination of symptoms, or even no symptoms at all except a check engine light.AnswerSee "Related Questions" below for more about the TPS
"addtional info" to see if the problem is the tps disconnect the sensor. If you have the same idle your sensor has gone or is going bad.
A bad throttle sensor can cause several problems. Symptoms include rough idle, loss of power, and even power surges while driving. .
A bad throttle position sensor, on your 1991 Saturn, will cause the engine to run rough when it is idling. The engine will run normally at higher speeds.
When Throttle Position sensor is bad when you step on pedal and it does not move, engine light is on!
Surging or stuttering at a particular pedal position such as "the sweet spot" when cursing.
motor shuts off when put in gear sometimes
a bad throttle position sensor will cause: transmission shift issues, bucking, jerking, idle surging, engine cuts off, hesitation on take off, surge while cruising down highway. all or part of these symptoms will indicate a bad sensor. not all the time will check engine light be on!! sometime these symptoms will not set a problem code.
The most classic symptom is erratic or rough idling.
You have to describe better which sensor you mean.
The TPS (throttle position sensor) has gone bad on your throttle body.
A bad idle air control sensor or a bad throttle position sensor.
Assuming you mean the throttle position sensor. The throttle position sensors tells the engine computer when the throttle position has changed, it adjusts fuel flow to match the throttle opening. If the throttle position sensor fails then the engine computer has to depend only on the MAP sensor to define air flow thus how to adjust the fuel flow. I would expect then that response time would be slower than when the throttle position sensor works correctly. On a Chevy Celebrity it might also turn on the check engine light and post either a code 21 or a code 22.
Bad throttle position sensor
Bad Throttle Position Sensor
It is important to recognize when poor performance is due to a bad car part. Symptoms of a bad camshaft sensor are misfiring, hesitation during acceleration, and not starting.
The OBD code p1221 indicates a bad throttle position sensor. Sometimes cleaning the throttle body will clear this code. If that does not work the sensor will need to be replaced.
The throttle position sensor (TPS) keeps the PCM informed about throttle position. The PCM uses this input to change spark timing and the fuel mixture as engine load changes. A problem here can cause a flat spot during acceleration (like a bad accelerator pump in a carburetor) as well as other drivability complaints.the throttle position sensor (tps) tells the computer where you have your foot while driving ( half throttle or quarter ect.)
It could be that your car is idling to low, the throttle position sensor can be bad
what are the symptoms of bad tdc o2 sensor
A bad crankshaft position sensor on your Chrysler 300 will cause the engine to run very rough or not run at all. The malfunctioning sensor can cause damage to your engine, if not repaired.
Could be your TPS (Throttle Position Sensor) is bad.
If you have a check engine light ON then you need to take it to a repair shop. A defective TPS can cause a hesitation or stall.
The sensors that usually go bad in a Dodge truck are the throttle position sensor, the oxygen sensor, engine light sensor and crank sensor. These malfunctions can be fixed on any Dodge dealership.
You would have a "check engine" light illuminated and the code(s) set would indicate a bad TPS.
A bad throttle sensor can cause engine jerking and rough running. A test of the computer codes should show if there seems to be a problem with the sensor.
No start, dies off, cuts out.