Throttle Position Sensor replacement & repair done differently

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Recent Reviews Related to Throttle Position Sensor Replacement


397 Reviews


Armz Motors

Garage in London, 15 years of experience

2nd December 2016
“Excellent service - thank you”


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30th May 2016
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“Lovely person, explained things very clearly as politely.
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Wrenchworks Automotive Ltd

Mobile mechanic in Braintree, 8 years of experience

23rd April 2019
“The mechanic was punctual and professional at his work. He provided very good diagnostics and repair.”


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Toyota Verso • Full Service

10 Expert Mechanics

Total expert throttle position sensor replacement mechanics

4 Ratings

Total number of throttle position sensor replacement reviews

Average Rating

Average user rating for throttle position sensor replacement bookings

Want to learn more about Throttle Position Sensor replacements?

Read our short guide with information on costs, symptoms and more.

What does a Throttle Position Sensor do?

The throttle position sensor is mounted on the air intake system's throttle body. The throttle body uses the input of the accelerator pedal to determine how much air should enter the engine. The throttle plate inside the throttle body opens as you press the accelerator, the more you press the pedal the more air will enter the engine.

The throttle position sensor identifies the amount of air entering the engine from the position of the throttle plate. As the sensor detects movement, it sends an electronic signal to the engine's computer (ECU) which processes the information (together with information from other sensors).

The computer adjusts the spark timing and fuel delivery to optimise the air / fuel mixture and combustion. In cars with an automatic transmission it also adjusts the converter clutch operation to control the shifting of the gears.

How do you know there is something wrong with the Throttle Position Sensor?

  • When the engine idles rough.
  • If the engine hesitates under acceleration.
  • When the engine's performance is not as strong as usual.
  • When the 'Check Engine' light on your dashboard is on.
  • Provided the car has an automatic transmission, it might not change gear.

When should you consider a Throttle Position Sensor replacement?

Over time, the throttle position sensor can wear or fail. For example due to the intense heat and temperature fluctuations in the engine bay and, moreover, due to the sensor's continuous contact with the sensor wiper arm.

A malfunctioning throttle position sensor can lead to a variety of problems. From a lean or rich running engine, to the engine failing an emissions test to the automatic transmission not shifting gear correctly. It is therefore important to service the throttle sensor as and when stipulated in the guidelines set out by your car's manufacturer.

Should you experience problems with a throttle position sensor, then it is advisable to have it inspected and, if necessary, have the sensor replaced.

What happens during a Throttle Position Sensor replacement?

  • The mechanic will read the ECU for possible fault codes related to the throttle body and sensor.
  • The mechanic will inspect the sensor and ancillaries (like the electrical connectors).
  • If necessary, the mechanic will replace the sensor.
  • The mechanic will clean up the dirt inside the throttle body.
  • The mechanic will advise if other components need to be replaced as well.
  • The mechanic will re-adjust idle speed on the throttle body to factory stipulations.
  • The mechanic will check the throttle and sensor and establish whether it works correctly.
  • The mechanic will test drive the car.
  • If necessary, the mechanic will make adjustments.

How much does a Throttle Position Sensor Replacement cost?

The cost of replacing a throttle position sensor depends on your car and what parts your car's manufacturer recommends using for the replacement. Find out what you could save by having the throttle position sensor replaced by ClickMechanic, by selecting your car at the top of this page!

Want to know how much you'd pay at a franchise dealer or independent garage?

We use industry standard data & millions of data points so you know what you should be paying

These estimates may include Accelerator pedal position (APP) sensor and Throttle position (TP) sensor

10 manufacturers for Throttle Position Sensor Replacement

Name Clickmechanic Click mechanic average Independent garage estimate Franchise dealer estimate


Parts costs: £174 - £212

Labour time: 0-1 hours

# of quotes: 5


£184 - £222

£228 - £295

Get exact price


Parts costs: £109 - £164

Labour time: 0-1 hours

# of quotes: 16


£134 - £182

£175 - £245

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Parts costs: £66 - £79

Labour time: 0-1 hours

# of quotes: 1


£111 - £111

£160 - £160

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Land Rover

Parts costs: £63 - £159

Labour time: 0-1 hours

# of quotes: 2


£109 - £178

£188 - £271

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Parts costs: £107 - £128

Labour time: 0-1 hours

# of quotes: 7


£132 - £149

£175 - £206

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Parts costs: £74 - £171

Labour time: 0-1 hours

# of quotes: 5


£89 - £168

£118 - £221

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Parts costs: £139 - £167

Labour time: 1-2 hours

# of quotes: 6


£205 - £205

£298 - £298

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Parts costs: £73 - £109

Labour time: 0-1 hours

# of quotes: 18


£92 - £136

£122 - £191

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Parts costs: £59 - £70

Labour time: 0-1 hours

# of quotes: 7


£94 - £104

£140 - £161

Get exact price


Parts costs: £167 - £315

Labour time: 0-1 hours

# of quotes: 22


£196 - £308

£251 - £395

Get exact price

Prices could not be created for 70 models. Show ∨

  • Microcar
  • Metrocab
  • Hummer
  • Jeep
  • Reva
  • Asia
  • TVR
  • Ferrari
  • Morgan
  • Buick
  • Lamborghini
  • Pontiac
  • Carbodies
  • DS
  • Mitsubishi Fuso
  • Moskvich
  • Bentley
  • Cadillac
  • LDV
  • Ford US
  • Aixam
  • Alfa Romeo
  • Austin
  • Daewoo
  • Daimler
  • Dodge
  • FSO
  • Iveco
  • Maybach
  • MG
  • Rolls-Royce
  • Santana
  • Tata
  • Great Wall
  • Chrysler
  • Piaggio
  • Perodua
  • Volvo
  • Infiniti
  • Dacia
  • Aston Martin
  • Audi
  • BMW
  • Chevrolet
  • Daihatsu
  • Fiat
  • Honda
  • Isuzu
  • Jaguar
  • Kia
  • Lada
  • Lancia
  • Lexus
  • Lotus
  • Maserati
  • Mazda
  • Mercedes-Benz
  • Mitsubishi
  • Proton
  • Rover
  • Skoda
  • Ssangyong
  • Subaru
  • Suzuki
  • Toyota
  • Volkswagen
  • London Taxi's International
  • MINI
  • SEAT
  • Smart

Estimates on repair costs, such as the above results for a throttle position sensor replacement, are created by combining data from multiple third-party sources. The actual cost of using your local repair providers may be outside of the estimated range. We provide estimates on repair costs for information only and accept no liability for any inaccuracies or errors. If you think an estimate is incorrect, please contact us to let us know.

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