Top Mechanics For Throttle Position Sensor Replacement & Repairs
589 Reviews
Garage in London, 15 years of experience
I have been interested in the car repair industry for almost my entire life. The first few years were spent learning the trade and I went to college to study it properly. I worked at a garage as a BMW specia...
JACQUI • 2nd December 2016
Vauxhall/Opel Astra-G • Accelerator pedal position (APP) sensor replacement
122 Reviews
Garage in Rhyl, 25 years of experience
Professional Bio I am a fully qualified mechanic with over 20 years’ experience delivering high‑quality automotive work across a wide range of tasks. My expertise includes general servicing, routine mainten...
259 Reviews
Garage in Gravesend , 20 years of experience
20 years experience in mechanical work with loads of qualifications work for bmw and Ford garage
STEVE • 14th February 2026
Dacia Duster • MOT with collection & delivery
53 Reviews
Garage in Luton, 5 years of experience
Mechanic – Universal Clutches, Luton Experienced in a wide range of vehicle repairs, including timing systems, turbos, brakes, and clutches. Flexible and reliable, willing to take on any job needed to keep ...
MIKE • 14th February 2026
95 Reviews
Mobile mechanic in Marlborough, 41 years of experience
* 30 years working in Spain as a mechanic within my family's garage. * 10 years working in UK as a mechanic, the last 3 years working in BMW.
522 Reviews
Garage in Thornton Heath, 7 years of experience
Welcome to AUTO PRO, where automotive excellence meets customer satisfaction! With over 7 years of hands-on experience in the auto industry, we take pride in being your trusted partner for all things automot...
343 Reviews
Garage in Halifax, 25 years of experience
I initially started building my own cars and track day racing 205 Gtis . I moved on to working in garages doing a variety of work, engine rebuilds, head gasket, timing belts , clutches and gearboxes. ...
53 Reviews
Garage in Lincoln, 15 years of experience
specialising in HGV PMI's for trucks and trailers including roller brake tests, mechanical repairs on trucks and cars, computer diagnostics and a wide range of additional services
42 Reviews
Mobile mechanic in Bracknell, 15 years of experience
Though most of my focus has been on Diesel engines on mainly commercials. I’ve not limited my expertise and hence able to work on all types of vehicle makes and models carrying out services, brake issues, cl...
NICK • 14th February 2026
Land Rover Discovery • Brake discs and pads replacement - rear (both)
220 Reviews
Mobile mechanic in Northampton , 23 years of experience
In total I have over 20 years of experience. The last 11 years I have worked for Ford Service Centre where I have also carried cars and vans repairs.
SHIRLEY • 14th February 2026
Lexus GS 430 • Diagnostic Inspection
33 Reviews
Mobile mechanic in Hamilton , 15 years of experience
I have over 14 years of experience working on cars. I offer a range of services including Wrong fuel draining Add blue reset Car major servicing Exhaust work Hybrid Battery Repairing Suspension work ...
PRIESTER • 14th February 2026
19 Reviews
Mobile mechanic in Bishop's Stortford, 14 years of experience
Duro Custom can operate on all vehicles and any type of work.
DAN • 14th February 2026
6 Reviews
Garage in Polegate , 15 years of experience
Reliable mobile mechanic providing careful, honest repairs and maintenance. I work methodically, explain everything clearly, and only recommend what your car genuinely needs. No shortcuts, no pressure — your...
TRACEY • 14th February 2026
Suzuki Grand Vitara • Basic Pre-purchase Inspection
100 Reviews
Garage in Chertsey Surrey, 11 years of experience
Car and van servicing and repairs Auto electrician Fault finding Diagnostics AA approved contractor Recovery and roadside assistance Two vehicle repair workshops Located in north London and our...
JON • 14th February 2026
BMW 3 Series • Major Service
Frequently asked questions about throttle position sensor replacement & repairs
Read our answers to questions about throttle position sensor replacement costs, symptoms and more.
What does a throttle potentiometer do?
The throttle potentiometer is the recipient of the signal from the accelerator pedal where vehicles have an electronic pedal (and therefore not a cable operated one)
What does a throttle position sensor replacement involve?
Depending on the manufacturer, a number of different processes will need to be done in order to access the throttle potentiometer, however the mechanic will need to do some of the following basic steps
- The mechanic will assess the situation by reading the diagnostic codes and checking live data
- Once confirmed that the throttle potentiometer is faulty, they will continue on to replacing it.
- Once replaced, the mechanic will start the engine and recheck the error codes
Can I do a throttle position sensor replacement myself?
Unless you are a qualified mechanic with the required skills, training and equipment to do the job, we strongly recommend a throttle position sensor replacement is only carried out by a professional mechanic. ClickMechanic can help get you a vetted and local mechanic to carry out the work. Just enter your postcode and your car's registration number at the top of this page and select the work needed to get an instant fixed price up front.
What are the symptoms of a bad accelerator pedal sensor?
Depending on the vehicle, you may observe one or more of the following symptoms;
- Erratic engine idle.
- Hesitation under acceleration.
- Poor engine performance.
- Illuminated engine management light (EML)
How long will a throttle position sensor replacement take?
The time a throttle position sensor replacement will take will depend on a number of factors, like your vehicle's make and model, year, as well as other factors. Select your car at the top of this page for information on job time and cost for your vehicle through ClickMechanic.
How often should I replace a throttle position sensor?
Although the units are getting more reliable, there is still a chance that you will need to replace a throttle position sensor at least once in a vehicle's lifetime. The basic fact is that if your throttle potentiometer has failed, it needs to be replaced before the engine will run correctly.
How much does it cost to replace TPS sensor?
The cost of replacing a throttle potentiometer 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 potentiometer replaced by ClickMechanic by selecting your car at the top of this page!
Can I drive with a bad throttle position sensor?
Driving the vehicle with a bad throttle position sensor will result in poor engine performance and the car may stall. If you suspect there is any issue with your vehicle's throttle position sensor or there are concerns about its condition, book an inspection with a professional mechanic as soon as possible so they can check and advise on next steps.
Is a bad throttle position sensor an MOT failure?
Althought a throttle position sensor (TPS) in itself is not checked during an MOT, a faulty TPS can cause the engine to stall or not start at all which can result in an MOT failure.
What happens when throttle position sensor is bad?
If the throttle position sensor is bad, the engine may start to run at very high RPM because the throttle is stuck open. The engine could eventually overheat and seize up. This could also lead to dangerous situations on the road.
Can I drive without TPS sensor?
It is possible to drive without a properly working TPS sensor, but it is not advisable. The TPS sensor is responsible for monitoring the position of the throttle pedal and relaying that information to the engine control unit. Without this information, the engine may run erratically or may not start at all.
How long do throttle position sensors last?
Throttle position sensors are designed to last up to the life of the vehicle, but it is not uncommon to get it replaced at around 100,000 miles.
Does a throttle position sensor need to be programmed?
Yes, a TPS will need to programmed and calibrated to ensure that it is accurately measuring the position of the throttle. If the sensor is not programmed, it may not be able to correctly interpret the throttle's position, which could lead to inaccurate readings.
Can a throttle position sensor be repaired?
Yes, a throttle position sensor can be repaired and some issues can be easily fixed by reprogramming, however, in many cases, it is easier and most cost-effective to get the whole sensor replaced.
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Mechanics that undertake throttle position sensor work
- A1 Speedy Recoveries Limited, Cardiff
- All Hours NW Ltd, Leyland
- D N D Motors, Clackmannanshire
- Essex Mobile Autocare, Canvey Island
- Evolution Hgv & Trailer Repairs Ltd, Wrexham
- Farmers Auto Repairs Ltd, Sedgley
- First RS Ltd, Llansamlet
- H.S Autos, Gloucester
- Halifax Mot Centre Limited, Halifax