TPMS sensors run on batteries that can last anywhere from 5-10 years. Sensor battery life will depend on how much driving you do over time and the conditions that you drive in.

When should I replace my throttle position sensor?

The throttle position sensor (TPS) is only replaced if it tests bad. So there is no fixed replacement interval or “lifetime” for that part. They do occasionally fail though, in which case the Check Engine Light will illuminate with specific TPS codes.

Can I drive with a bad TPS?

Can you drive with a bad throttle position sensor? It is not a good idea to drive with a bad throttle position sensor. Driving your car in this condition can be dangerous because your car might not accelerate properly or could suddenly accelerate without the driver pressing the gas pedal.

Do throttle position sensors wear out?

The throttle position sensor usually relies on a potentiometer, sometimes accompanied by a switch, that sends signals of varying voltage to indicate relative throttle position. Throttle position sensors can fail or wear out just like any other engine component.

What are the symptoms of a bad TPS sensor?

• Car won’t accelerate, lacks power when accelerating, or accelerates itself.
• Engine won’t idle smoothly, idles too slowly, or stalls.
• Car accelerates, but won’t exceed a relatively low speed, or shift up.

How much does a TPS sensor cost?

The average replacement cost for the throttle position sensor is anywhere from $110 to $200. The parts cost is anywhere from $75 to $105 while the labor cost is anywhere from $35 to $95.

How can you tell if a throttle position sensor is bad?

Test the TPS using a digital multimeter. Make sure that it’s still working and, if necessary, visually inspect and test the wires and connector. If the sensor tests OK, erase the code. If it comes back or you notice a performance issue.

Can I drive without TPS sensor?

The TPS or Throttle Postition Sensor tells the ECU how far the throttle is open, thus how much fuel is demanded. You will still be able to drive without a TPS, though not very well. The ECU will see a lean condition from the o2 once to open the throttle and it will atempt to richen it up.

Can a bad TPS cause transmission problems?

The Throttle Position sensor measures the throttle position, which is controlled by the gas pedal. It is used to determine engine load and if it fails it can cause automatic transmission shifting problems.

What happens if TPS is not calibrated?

If your TPS is faulty or uncalibrated, the sensor will be unable to accurately determine the position of the sensor. This will lead to a variety of symptoms, all of which are caused by the fact that the ECM is delivering the wrong air/fuel ratio to the cylinders thanks to the bad sensor.

Article first time published on

What controls TPS?

The engine control unit (ECU) collects TPS data to optimize vehicle performance. A faulty throttle position sensor doesn’t happen without warning. Some of the telltale signs include: The panel light activates.

Where is TPS sensor located?

A throttle position sensor (TPS) is a sensor used to monitor the air intake of an engine. The sensor is usually located on the butterfly spindle/shaft, so that it can directly monitor the position of the throttle.

Can a bad TPS sensor cause misfire?

What are signs of a bad Throttle Position Sensor? Acceleration issues: A bad TPS may cause all sorts of power issues. … If you see your car misfiring, Idling rough, or stalling out while you drive then you definitely want to have a professional check out that sensor.