How do I know if my throttle position sensor is bad?

Posted on by Muna Meyer

How do I know if my throttle position sensor is bad?

Symptoms of a Bad or Failing Throttle Position Sensor

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

How do you reset the throttle position sensor on a Jeep?

The easiest way to reset your throttle position sensor is to unhook the negative cable from your battery for up to five minutes or to remove the fuse for your engine control module.

How do you test the throttle position sensor on a Jeep Grand Cherokee?

Using a multimeter, you can test the function of the TPS by probing the signal wire and manually manipulating the throttle. The signal wire should send around one volt with the throttle closed, and close to five when it’s fully open.

How do you test a throttle position sensor with a scanner tool?

Use live data graphing if your scanner supports it. Slowly push the accelerator pedal as you observe the live data. The graph should be a straight line with a positive slope. If it (the line) changes abruptly as you press the pedal, that means the TPS is faulty.

Can you test a throttle position sensor?

You can use the position sensor operating characteristics to test it using a digital multimeter (DMM). If you haven’t used a multimeter before, just take a look at the next video. In a couple of minutes you’ll be ready to test the throttle position sensor in your car.

What is a TPS on a Jeep Cherokee?

Jeep Cherokee Throttle Position Sensor (TPS)

How do you adjust the throttle position sensor?

Loosen the jam nut and unscrew the throttle stop screw all the way so that the throttle blade closes fully against the throttle body itself.

  • Turn the stop screw back in until it just touches the linkage,then turn in ΒΌ turn more.
  • Tighten the jam nut while holding the stop screw in place to prevent it from moving.
  • Unplug TPS

    • How to replace a throttle position sensor?

    Put the key in the ignition.

  • Turn the key to the On position,without cranking the engine.
  • Slowly press on the gas pedal,hold for three seconds,and release slowly. Repeat three times.
  • Put the key in Off position and take it out.
  • Wait 5-10 minutes.

    • What happens if you disconnect throttle position sensor?

    – Hesitations during acceleration – Poor power – Difficulty and/or delay in gear shifting – Unusual surges while accelerating

    How to test a throttle position sensor (TPS)?

    – TPS diagnostic trouble codes (DTC’s) stored in the vehicle’s computer’s memory. P0121: Throttle Position Sensor Performance. P0122: Throttle Position Sensor Circuit Low Voltage. – Really bad gas mileage. – Transmission does not shift out of second gear. – No power as you accelerate the vehicle. – Hesitation when you step on the accelerator pedal.