What interim, full and major car services cost in Cardiff, what each usually includes, why quotes vary and which service your car actually needs.
What the engine management light means, whether you can drive with it on, the ten most common causes from coils to the DPF, and why a code reader is not a diagnosis.
The maximum car MOT fee is £54.85 with no VAT. What Cardiff garages actually charge, how free and partial retests work, and the failures that decide what you really pay.
What EPB service mode is, why the brake gets stuck in it, what you can safely try yourself, and when it needs dealer level tooling.
What petrol actually does inside a diesel engine, which parts fail and in what order, and why starting the engine is what turns a drain into a fuel system.
Why a DPF blocks, what a forced regen actually does, when the filter can still be cleaned, and what each step costs in Cardiff.
What an MOT corrosion failure actually means, the 30cm prescribed area rule, what can be welded, what cannot, and what the repair costs in Cardiff.
What mobile mechanics charge in Cardiff, what a callout fee actually covers, and the jobs where a workshop comes out cheaper for the same work.
What a clutch replacement actually costs in Cardiff, and the five things that move the price on your car rather than someone else’s.
Your car runs a wet belt only if the engine is on a short list. Here is that list by make, engine and year, how to find your engine code, and what to do if yours is affected.