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Repair cases shared by mechanics and reviewed before publishing. Hide the solutions to diagnose them yourself first. Cases marked "Training case" are written by ipacen from typical faults for practice.

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Training caseCoolingEasyPetrol

Temperature warning and reduced power on the motorway

2014 · Ford Focus Mk3 · 1.0 EcoBoost 125 · 98,000 km

P0217

Root cause: Split degas (expansion tank) hose leaking coolant until the engine overheated.

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