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See exactly what you get: two full sample PDFs, free to download.

Code P0420 on a VW Golf 7 1.4 TSI: meaning, ranked causes, what to check first and rough repair costs.

What you must send to order:VIN (minimum), make & model, model year, engine, and the list of all fault codes

Mercedes CLA (C118, 2020): engine and gearbox, controls, known issues and a used-car buying checklist.

What you must send to order:VIN (minimum), make & model, model year, engine

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