ou may have heard your mechanic recommend a diagnostic test, especially if your check engine light is on. But what does that actually involve, and why should you get one?
What is a Car Diagnostic Test?
A diagnostic test uses specialised equipment to scan your vehicle's onboard computer for error codes. These codes help identify issues related to the engine, transmission, exhaust system, brakes, and more.
When Should You Get One?
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Check engine light is on
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Strange noises or smells
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Decrease in performance or fuel efficiency
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Before buying a used car
What Does the Mechanic Check?
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Engine performance
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Fuel injector operation
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Air and coolant temperature sensors
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Ignition system
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Throttle and airflow sensors
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ABS and transmission systems
How Long Does It Take?
A full diagnostic test typically takes 30 minutes to an hour, depending on your vehicle.
How Much Does It Cost?
Prices vary, but most UK garages charge between £50–£100. Some may offer it free with a full service.
Why It’s Worth It
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Saves money: Early detection prevents costly repairs.
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Saves time: Pinpoints issues fast, reducing guesswork.
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Improves safety: Identifies problems before they become dangerous.
Conclusion
A car diagnostic test may sound technical, but it’s one of the smartest moves a car owner can make. It gives you a clear picture of your vehicle’s health, helps you avoid bigger problems, and ensures a safer driving experience. Don’t wait for a breakdown — book a diagnostic test today with ABSMOTSAUTO and drive with confidence.
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