The ECU Doctor thanks you for visiting our electronics workshop. Please browse our site at your leisure and contact via email or phone if you require any further information or detail.


    Why have this service? :Since around 1992 motor vehicles have increasingly had the ECU code locked to the ignition key making rebuild not exchange the way forward to getting a vehicle back on the road. 

With the introduction of Catalytic Converters, the fuel injection system came of age. It simply was not possible to get the carburettor to provide the degree of fuel control required by the new engine management systems. Every new car since 1993 has come equipped with fuel injection of one kind or another, controlled by a computer.

What is our service? :Here the ECU Doctor specialises in the examination, testing and rebuild of customer engine control units posted to us. This is the simpler solution where the problem is straight forward and can be expected to show up during a bench test. However on occasions a trial exchange unit may be better. 

When a trial exchange unit is appropriate

The ECU Doctor specializes in customer 'own unit' rebuild and re-engineering of automotive engine control units. This means you get your own ECU back. however should the running or starting issue be intermittent or performance related then a bench test in workshop is not appropriate. We suggest in these instances, which are frequent, a trial exchange supplied by our company to be better.

The customer would send in their suspect unit. We would transfer the vehicle identity and security data onto the trial unit and return on a 14 day basis. If the vehicle problem or issue is resolved then the unit is kept as it arrives with 12 month warranty paperwork. If there is no difference with our trial unit then return within 14 days. Will shall reinstate the vehicle and security back onto your original in our workshop and return with full refund less restock fee.   

 Who can we help? :In our workshops we have the equipment ,trained staff and expertise to deal with the largest range of petrol European and Japanese models available in the market. Also we are investing in equipment and training to be able to serve the expanding diesel market.  

Who we cannot help! :At this present time the lab is unable to work on motorcycle and scooter management systems. Gearbox and ABS control units also are excluded from our specialized test and rebuild work. 


We aim for the shortest possible turn around time of your Engine Control unit with no compromise on quality of work. However on occasions we need to order an exchange unit, specialised components or the availability of parts necessitates some delay.

Please keep the above in mind when being realistic on the turn around time of a unit. The turn around time expected would be in the order of 2 - 3 working days unless advised otherwise.


What will it cost? :The examination, test and diagnostics fee is 35 which is 45 minutes of our workshop time with a technician. This fee is not charged should a rebuild be necessary and your unit is entrusted to us. Our total commitment to customer service can be seen by our ratings and judged by you.  We believe this fee to be good value within the industry. Our test fee is warranted and refundable if unsatisfactory.


Our standard charge for a rebuild is 140 plus parts. This comprises three hours of workshop time with a qualified technician at his workstation. To achieve a swift turnaround we replace any suspect or defective board and surface mount components from our extensive stock. Any necessary re-mapping of  data onto replacement processor chips is undertaken free of charge. Your payment can be made simply by direct bank transfer or cheque by prior arrangement. For your convenience we also accept all major credit/debit cards.

Please note that we do ask a contribution towards our packaging and carriage costs of ten pounds (no vat) for your unit to be delivered back by overnight next day delivery service. For your peace of mind every unit is insured and shall be signed for at your chosen delivery destination.

Any test fee or rebuild work is subject to VAT at the current rate.


 We will inform you prior to any work that we undertake after examination and of course you are under no obligation to proceed.

If unable to test or repair no fee will be charged!

What to do next? :Prior to shipping your suspect unit to us we would prefer notice of the arrival. This ensures we dedicate the relevant team member and equipment to your unit. Units are best sent in a padded jiffy bag or box with bubble-wrap protection whilst in transit. Please enclose your full address and contact details, also the vehicle make, model and age with a brief description of the symptoms your vehicle is experiencing. Should you have any further queries regarding our service please do not hesitate to contact us at our address below.

The ECU Doctor Limited

Hemerdon Lodge

Boringdon Road




Phone/Fax 01752 346437

Mobile 07956 542162

Private Limited Company No. 05864664

VAT No. 924 1987 05

Our policy and mission statement :Our price structure has been worked out as a fair reflection of the investment of equipment and training necessary to offer this service to motorists. The ECU Doctor also guarantees the fees stated above have no hidden or extra costs that you will be charged . We are not out to depress the trade of any main agent garage but to put private motorists with ECU problems swiftly back on the road. If the ECU Doctor and his team achieve that mission statement then we are happy.

Our commitment to you :We have recently had a major refurbishment of the lab and workshop. Our diagnostic equipment is now the best industry can provide and of which we are justly proud. Below is a selection of diesel and petrol units recently entrusted to us for you to browse. To enlarge any picture of interest click on the relevant image to enlarge

Petrol Injection Units

BMW 525E

BMW 525i

Ciroen Picasso

BMW 520i

Citroen Saxo

Fiat Punto

Ford Escort

Renault Safrane

Rover 820

Ssangyong Korando 2.3

Toyota Supra

Vauxhall Calibra

VW Transporter

Ferrari Modena

Citroen Xantia

VW Passat

Mitsubishi GTO

Volvo 850 T5

Renault Clio

Volvo 740

VW Scirroco

Mercedes C280

Vauxhall Astra

Audi 80

Audi A6

Peugeot 106

Nissan Pulsar

Kia Sportage

Mitsubishi lancer

Hyundai Coupe

Peugeot 405

Volvo 940

Fiat Punto GT Turbo

Suzuki Vitara

Fiat Bravo 1.4 12v

Vauxhall Vectra

Fiat Bravo 1.6 16v

VW Golf

BMW 320

Seat Toledo

Nissan QX

Skoda Felicia

Mitsubishi Carisma injection driver

Mercedes Vito

Nissan 200 SX

Toyota Supra Igniter

Citroen AX

Lotus Esprit

Honda Beat

Subaru Impreza

Rover 214

Renault Espace

Jaguar XJ6

Peugeot 806

Hyundai Atoz

Fiat Coupe

Toyota Corolla

Suzuki Alto

Honda Accord

Hyundai Accent

Saab 9000

Volkswagon Passat

Pontiac GT

Nissan Primera


Renault 19

Jaguar XJS V12

Fiat Punto Sports

Peugeot 106 GTi

Honda Civic

Daewoo Korando

Mercedes E280

VW Polo

Citroen Berlingo

Fiat Uno Turbo

Mercedes 420

Alfa Romeo 155

Mitsubishi Colt Spacestar

Rover 75

Skoda Octavia

Toyota Rav 4

Volvo V70

Diahatsu Charade

Mitsubishi Shogun

VW Sharan

Mitsubishi Eclipse

BMW 318

Ford Probe

Porsche 944

Renault Clio ignition coil and amplifier

Rover 200

Daewoo Matiz

Audi A4

Caterham 7 mbe

Rover 25

Mitsubishi Spacewagon

Jaguar XK40 CPU

Alfa Romeo Spider

Peugeot 206

Rover MGF

Aewoo Espero

Vauxhall Omega 2.5 CDX

Peugeot 306GTi

Mazda MX5

Renault Scenic

Toyota MR2

Daewoo Lanos

Vauxhall Tigra

Mitsubishi Chariot

Skoda Fabia

Range Rover

Renault 21 turbo

Jeep Cherekee

Renault Megane

Volvo S80

Porsche 928

Daihatsu Hyjet van

VW Beetle

Alfa Romeo 156

Dodge Stealth 3000GT

Audi A8

Rover 825

Nissan Almera

BMW 528i

Peugeot 406

Hyundai XG30

Peugeot 306

Nissan Micra

Audi Quattro

Rover 216

Mercedes 300E

Lotus Elise

Daewoo Nexia

BMW 318i

Rover Metro

Toyota Celica

Mercedes E240

Suzuki Swift

Ford Fiesta

Suzuki Wagon R

Citroen C3

Mitsubishi 3000GT

Citroen CX25ie

Porsche 996

Rover 220 turbo

Subaru Legacy

Rover 800

Volvo V40

Mercedes 320SL

Jeep Cherokee

Toyota Altezza

VW Corrado

Audi 100

VW Camper

Please Note:

Please note our turn around time can on occasions be extended from 2 - 3 working days towards 5-7 depending on the particular unit requiring attention. We understand the inconvenience but this is due to both diesel and petrol workshops being very busy and some members of the team being on their annual leave.

 Diesel Injection Units

Mercedes Vito Diesel

Vauxhall Omega 2.5 TD

Mercedes C270DCi

Seat TDi

Diesel Freelander

Citroen Picasso HDi

Peugeot 206 HDi

Audi A4 2.5TDi

Vauxhall Astra 1.7TDi pump control

Peugeot 406 HDi

MG ZR diesel

Peugeot 806 HDi

Suzuki Vitara diesel

Rover 75 CDT

Land Rover Discovery TD5

SEAT Alhambra TDi

Citroen C5 HDi

Peugeot 306 HDi

Ford Escort turbo diesel

Citroen Xsara HDi

Rover 220 SDi

Ford Fiesta TDCI

Mercedes Sprinter 312CDi

Renault Kangoo 1.9 diesel

Nissan Primera 1.9TD

Mercedes C220 diesel

Vauxhall Movano 2.5TDi

Fiat Ducato 2.8JTD

Audi A6 1.9TDi

Citroen Xsantia 1.9TD

Ford Transit 2.5TD

The rebuilt unit will carry our warranty seal with a serial number. Your peace of mind is assured with a 12 month no-quibble guarantee extending to any new owner of that vehicle. This is our team commitment to quality customer care. 




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