Case studies

To help explain the importance of thinking about the system when diagnosing automotive problems and also to validate our own diagnostic processes we have engaged in some hands on testing and rectification of problem vehicles.
The aim is to try to offer guidance with the methodology of testing and to explain what tests require specialist tool and are best carried out in a specialist workshop and what testing and validation is within the capability of the enthusiastic home mechanic.

Case studies.

Audi A4Audi A4 2.5 TDi V6 – Lack of engine power,  DTC – P0299 logged
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combo Vauxhall Combo CDTI – Non start after alternator failure. No DTC logged.
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