Engine Diagnostics

Mobile engine diagnostic services throughout the North West

Achieve peace of mind on the go with affordable roadside diagnostic services from Williams Technicians.

Thorough car diagnostics and repairs

Don't let a dashboard warning light be a cause for panic - seek swift engine diagnostic solutions from Williams Technicians to nip potential issues in the bud. Our cutting-edge tools allow us to carry out roadside diagnostics to the same great standard as a main dealership, but at independent garage prices. Our mechanics are highly experienced and fully trained - you can rely on us to provide quality car diagnostic services on all makes and models.

For added convenience, we provide our mobile service across Greater Manchester and Lancashire. Call us on: 0161 286 1915

ECU testing and repair

If you need ECU testing and repairs, it can be hard finding a specialist repairer at a fair price. Many garages will refer you back to a main dealer, but why pay for the badge above the forecourt? 

We find electrical faults quickly and efficiently, and then repair them - from engine ECUs to body control modules, from ABS pump modules and airbags. We also provide high level engine tuning, giving you a car that really performs.

Our car diagnostic services include:

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