Top Mechanics For Throttle Position Sensor Replacement & Repairs
594 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
5 Reviews
Garage in Watford, 9 years of experience
Hi, we are a small Established garage in Watford. I have 8 years of experience and am able to offer all vehicle services such as oil service, exhaust repairs, clutch,brake discs, and pads and much more.
1761 Reviews
Garage in Darwen, 14 years of experience
I started my apprenticeship when I left school at the age of 15. I’ve been fully qualified for 11+ years with NVQ level 1, 2 and 3. I’ve been an MOT tester for 10 years. Here at Jamie’s mobile mechanic w...
MATTHEW • 23rd February 2026
Vauxhall Corsa • Car Won't Start Inspection
121 Reviews
Mobile mechanic in Newcastle Upon Tyne, 22 years of experience
Servicing and repairs to your home or work place, we do diagnostics , servicing, brakes, clutch, timing belts and wet belts, mot collection service and all other kinds of repairs
GLEN • 23rd February 2026
Volvo XC60 • Car Won't Start Inspection
4 Reviews
Mobile mechanic in London , 21 years of experience
I am a qualified mechanic with 21 years of experience in the motor trade. During this time, I have diagnosed and repaired a wide range of mechanical issues across various vehicle makes and models, many of wh...
SAMHITA • 23rd February 2026
Mercedes-Benz C-Class • Battery replacement (vehicles with stop/start system)
85 Reviews
Garage in Littleport, 12 years of experience
Tyres, Wheel balancing Mobile diagnostic Car wrap Timing belts Clutches Pre-Purchase inspection Brakes,suspensions,engines,Pre Mot checks,Valeting, paint polish,etc. Car body resprays and repairs as ...
283 Reviews
Garage in Thurrock, 6 years of experience
At my automotive service business, we specialize in providing top-notch solutions for your vehicle's maintenance needs. With a dedicated team of experts, we offer a wide range of services, including tire cha...
JAMES • 23rd February 2026
Vauxhall Insignia Sports Tourer • Brake discs and pads replacement - front (both)
227 Reviews
Garage in Bethersden , 20 years of experience
I have been in the motor trade 20 years. During this time I have worked for independent garages including BMW and Mercedes main-dealers. I have progressed through the ranks as a master tech and workshop co...
46 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...
DEAN • 23rd February 2026
Ford Transit • Brake pads replacement - rear (all)
105 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...
12 Reviews
Garage in Sandy, 15 years of experience
I have worked in a variety of motor vehicle repairs Ranging from bespoke Landrover company called foley specialist vehicles to performance specialists like Highline autos with vast amounts of experience ra...
SIMON • 23rd February 2026
Dacia Duster • Additional work following previous booking
83 Reviews
Mobile mechanic in London, 15 years of experience
Auto Eng Repair is a well established repair company that has built up an enviable reputation over the last 15 years. We pride ourselves on our commitment to provide a professional and speedy service at all ...
DARREN • 23rd February 2026
Kia Rio • Full Service
32 Reviews
Mobile mechanic in Sedgemoor, 5 years of experience
Experienced Mobile Mechanic with a strong background in diagnosing, repairing, and maintaining a wide range of vehicles in on-site and roadside settings. Skilled in performing engine diagnostics, brake repai...
76 Reviews
Garage in Kent, 32 years of experience
VAUXHALL TRAINED TECHNICIAN MANY YEARS EXPERIENCE ON ALL MAKES AND MODELS AT INDEPENDENT GARAGE AND RUNNING MY OWN BUSINESS FOR 12 YEARS DEALING WITH ALL MAKES AND MODELS
89 Reviews
Mobile mechanic in Essex, 15 years of experience
10+ years working at a DAF main dealer carrying out all aspects of repairs and breakdown services. 5 years self employed repairing and maintaining cars, vans and HGV's, from engine and gearbox rebuilds to ...
ALICE • 23rd February 2026
Land Rover Range Rover Evoque • Timing chain replacement
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
- Anytimecarrepair, Gravesend
- CLEMENTS&CO LTD T/A CLEMENTS AUTOMOTIVE, Kempston
- Car Tech Diag, Bristol
- Central London Rescue And Repair Ltd, London
- Direct Motors Limited, Walsall
- H&G Mechanics, Hertfordshire
- JNC Group Ltd T/A JNC Automotive, Keston
- Jr Auto Solutions, Long Marton
- ML Pro Performance, Mansfield
- P&J Tyre Services Ltd, Wickford
- Pippins Mechanics, Brompton
- Smiths Repair & Mot Ltd, Birmingham
- Square 2 Automotive Ltd, Connahs Quay
- Steves Autos, Milton Keynes
- Supreme Auto Services Ltd T/A Halfway Garage, Clacton On Sea
- Vag Perth Ltd, Perth
- Wallys Auto & Repairs Ltd, Whittlesey