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HiSport Throttle Position Sensor
THE ERROR CODE:
- P0120: Throttle Position Sensor/Switch A Circuit Malfunction – the voltage goes higher or lower than normal, or stutters in comparison to the “B” sensor.
- P0121: Throttle Position Sensor/Switch A Circuit Range/Performance Problem – the throttle angle doesn’t match the value expected for a specific RPM.
- P0122: Throttle Position Sensor/Switch A Circuit Low Input.
- P0123: Throttle Position Sensor/Switch A Circuit High Input – the voltage exceeds normal values.
- P0124: Throttle Pedal Position Sensor/Switch (TPS) A Circuit Intermittent – the sensor sends a number of intermittent or erratic signals within a set period
Symptoms of a Faulty Throttle Position Sensor
- 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
- Difficulties in changing gears
- A drastic drop in fuel economy
How to Test a Throttle Position Sensor
- 1.Use a standard ohmmeter to test a switch and combination type throttle position sensor and a voltmeter to test a throttle position sensor that uses a potentiometer.
- 2.Check the resistance in various accelerator pedal positions, record the resistance
- 3.Compare against values listed as acceptable in a quality car repair manuals to determine whether or not the sensor needs to be replaced.
Is It Worth The Repair?
Some issues are worth fixing while others aren’t. In the case of a bad TPS if your car is relatively new with low miles then it has a long road ahead of it and maybe it is worth your while. Now if your vehicle has existing damages, high mileage, and now mechanical issues then it's best to sell that AS IS to avoid throwing away your hard-earned cash into that money pit.
Joe
Reviewed in the United States on January 27, 2025
This item was not even close to being able to fit the vehicle it says it does.
Customer
Reviewed in the United States on September 18, 2023
Fast shipment and now my jeep runs like it used to.
meowmeow
Reviewed in the United States on July 6, 2023
This thing cost me 600 bucks in repairs. Buy a quality one from local auto store
Connor
Reviewed in the United States on March 14, 2023
Fit on my 97 tj 2.5l. Not sure on longevity but it did fit.
Deven H
Reviewed in the United States on August 9, 2022
Installed easily, drove up street and throttle stuck. After inspecting, realized the TPS was pressing onto the throttle shaft and causing binding. Placed small lock washers between TPS and throttle body, which remedied binding. After vehicle warmed up, idle was not stable. Not sure if the pressure on the TPS damaged it or I have other issues. Highly recommend testing free return of throttle after installation, before starting/driving. Fortunately I was near home and had only lightly accelerated up to stop sign.
Fitz
Reviewed in the United States on July 31, 2022
Fixed my check engine light for my 97 jeep wranglerUpdate: part failed within 5 months of installation. Went to autozone, paid a little more but got the better quality one with a lifetime warranty.
A Useful Rainwing
Reviewed in the United States on October 17, 2022
It's a plug in the shape of a TPS. Go get one from your local auto-part store with a lifetime warranty instead.
Jay
Reviewed in Canada on September 9, 2021
As discribed. Works on my ol Cherokee
BM
Reviewed in the United States on December 24, 2021
As described, works great.
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