Engine control unit (ECU) for my car
Where to buy control unit, engine management at a good price? At AUTODOC!

Best engine control unit (ecu) brands: original equipment manufacturer
Find control unit, engine management for all top car brands
Buy and change the ecu on your car model
AUTODOC Bestsellers: car engine control unit buy online at a good price to reduce replacement cost
The best-selling replacement parts from the Engine control unit (ECU) section. We have a large selection of spare parts from different brands for Engine control unit (ECU) and further low-price offers in our range of parts
Car Control unit, engine management : which brand is better?
According to our customers, the best spare parts in the auto Engine control unit product category come from the following brands:
- BOSCH
Auto Engine control unit (ECU): how much does this product cost?
The price of car parts within the auto Engine control unit (ECU) category ranges from £14 to £1766, depending on the vehicle type, manufacturer, and product specifications.
Engine control unit (ECU): useful information
The bestselling products: | |||||
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0 986 444 950 | 0 130 002 830 | 0 986 444 954 | 2 467 010 016 | 216160060406 | 0 986 444 961 |
For popular car brands: | |||||
BMW | VW | AUDI | MERCEDES-BENZ | FORD | VAUXHALL |
Control unit, engine management for cars: find out more! How to choose, when to change , and how much they cost
Electronic engine control units or controllers are devices that control the operation of the motor, receiving and processing information from various sensors. The main functions of the unit are the following:
- controlling fuel supply to an injector-type engine;
- monitoring operation of the ignition system;
- maintaining correct temperature in the cooling system;
- monitoring of exhaust gas recirculation.
- with plastic housing;
- with metal housing.
The construction of the unit includes a housing. It contains a PCB, a storage device and a microprocessor. The housing also has connectors for the vehicle electrical network connection. The controllers are located under the hood of the vehicle or on the side of the front instrument panel, near the passenger seat, behind the glovebox.
The software of the unit has two modules — the functional one and the control one. The first one receives and processes the information from the sensors, and sends respective signals to the actuators. The second one checks incoming information from the sensor according to the specified parameters, and can block the engine operation if a fault is detected.
Tips on electronic engine control units operationThe estimated service life of controllers is stated in the technical documentation by the manufacturer of a particular vehicle. Perform timely diagnostics of the unit in accordance with the manufacturer recommendations.
Malfunctions of electronic engine control units- short circuit in the unit circuit;
- mechanical damage of the component;
- corrosion of the control unit components.
- engine operation failures;
- engine stop;
- difficult engine start;
- absence of signals emitted by sensors;
- fuses blowing.
- water ingress into the system;
- errors during device repair or installation.
It is not recommended to perform component repair. Without technical knowledge and experience, as well as without special tools, repair of the device is very difficult. If signs of a malfunction occur, it is recommended to contact a service center.
AutoDoc professional assistanceWide range of high-quality spare parts for various vehicles brands and models is presented in our online-shop. We offer components with a warranty, and at reasonable prices. In the AutoDoc company, you can buy electronic engine control units that will work for a long time. If you have any questions during components choosing, our technical support service specialists will answer them.
Useful information on functions, causes of malfunction, diagnosis and replacement intervals
Confidence in online shopping! You can return engine control unit (ecu) without explanation within 200 days after purchase and get your money back. How? Just use the Safe Order service at the checkout page. The service cost is only £ 3,95.
Each order from £ 130 value of goods, include free shipping within Great Britain.
*Does not apply to large-size auto parts.
*Except/excluding areas with the following postcodes: GY#####, JE#####, IM#####