Compare ECU repair quotes from specialist garages in Harrow

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In 2021, 0.38 billion vehicle miles were travelled on Harrow's roads. It is in Greater London, roughly 9.5 miles northwest of Charing Cross. An expanded Ultra Low Emissions Zone was proposed in 2022, with Harrow falling inside the boundary. The central railway station in the town is Harrow-on-the-Hill, providing underground and overground rail links to Uxbridge, the City and the West End. Buses are managed by Transport for London, with services running to places like Ruislip, Wembley and Ealing.

Urban driving in Harrow may reduce fuel efficiency due to increased braking and accelerating, which also places greater strain on your engine. Slow-moving traffic reduces the airflow through your car's radiator, making the cooling system work harder, so you should check the coolant level regularly and top up as needed. Your brakes and suspension will also likely wear down quickly as you navigate busy roads with potholes. Since driving in Harrow can be tough on your car, following a regular servicing schedule is even more important.

Harrow is in London's Ultra Low Emission Zone (ULEZ) and Low Emission Zone (LEZ), both of which are designed to reduce air pollution in the city. The ULEZ operates 24 hours a day, every day except Christmas Day, and excludes the M25 motorway. It charges drivers of cars, vans, motorcycles and specialist vehicles that don't meet the emissions standards £12.50 a day. The LEZ also covers most of Greater London and specifically targets drivers of the most polluting diesel vehicles. It is enforced year-round, and the amount you pay varies. It usually ranges from £100-300 depending on your vehicle, and you can pay online. This guide explains everything you need to know about ULEZ and LEZ.

ECU stands for engine control unit, sometimes referred to as the engine control module (ECM). This component ensures your car's engine runs smoothly by, for example, determining the amount of fuel that goes into the cylinders. You can find out more about how it works here.Signs of a faulty ECU include misfires, the check engine light, starting problems, and engine surges or lags. ECU testing and repairs can help you work out the cause of the problem, such as faulty wiring or a bad sensor.ECU testing uses a diagnostic tool known as an OBD scanner, which extracts information from the car's computer and allows the technician to check fault codes.Can an ECU be repaired? Most of the time, the answer is yes; the ECU can be reprogrammed or repaired. The same applies to water damaged ECUs, as long as the damage is minimal. Some technicians may offer mobile ECU repairs at a location that's convenient for you.