Ошибка p0430 audi

Почему выскакивает ошибка р0420. 3 основные причины

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Code P0420 Catalyst Efficiency Below Threshold Bank 1. Emissions Test! NO PROBLEM!

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P0420 P0430 Quick Fix: Nissan Xterra

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Сбрасываем ошибку P0420 с помощью ELM 327 и программы Torque lite