Engine Diagnostics: What’s Included?

Over time, your vehicle’s performance is going to naturally shift, with a noticeable reduction in power and efficiency, as well as a number of visible warning lights on your dashboard. Here, we provide a key guide to engine diagnostics, outlining what’s included and why it matters.

Data Retrieval

Used primarily to locate computer codes, freeze-frame data, software version figures and critical sensor data or status information, data retrieval is carried out by an onboard computer system specifically designed to provide an accurate diagnosis of the vehicle’s current condition and performance. During an engine diagnostics test, data will be collected to provide a current diagnosis of your engine to offer insight into potential repairs that may improve your vehicle’s performance and efficiency.

Verification Testing

These tests are implemented to determine if your current vehicle is meeting the necessary specifications provided by the manufacturer. Verification tests include engine vacuum and back pressure tests, as well as ignition, fuel system and emission system inspections. Generally, an issue with one of these components is signalled by an engine warning light on your vehicle’s dashboard.

Pinpoint Testing

Much like verification testing, it is the manufacturer’s requirement to carry out pinpoint tests on your engine’s circuits and components to identify potential issues and offer an informed diagnosis. Pinpoint tests will typically include wiring diagrams, electrical and mechanical tests, bi-directional control tests and several visual inspections.

Technical Service Bulletins

Although testing must still be carried out, particularly for systems that cannot have a Technical Service Bulletin (TSB), performed on them, carrying out such a test is pivotal in identifying recurring issues that are common for your particular vehicle type. TSB’s will provide a documented set of recommended procedures required to restore and repair your vehicle’s engine to its suitable condition.

Engine Repair

Now that the essential tests have been carried out to assess your engine’s current diagnostics, condition and potential faults, the next stage of the process is to carry out the necessary repairs required to restore it to its original manufacturer settings. This will typically involve cleaning engine components, carrying out technical updates and repairing or replacing wiring.

Repair Verification

Once the repair work is completed, the final stage of the process is to retest your engine and ensure it is now running at optimal condition.

At Adderley Green Garage, we offer affordable vehicle engine diagnostic services in Stoke-On-Trent, ensuring the problem with your engine is identified efficiently and fixed cost-effectively. If you want to uncover the truth about your car engine’s condition without having to waste time and money on taking it to bits, then you should book a car diagnostics test. Get in touch today.