DIY HOW TO DIAGNOIS A P0172 SYSTEM TOO RICH BANK ENGINE CODE ON A E90 BMW.

IN THIS VIDEO I SHOW YOU HOW TO DIAGNOIS A P0172 SYSTEM TOO RICH BANK ENGINE CODE ON A E90 BMW. I SMOKED THE ENGINE AND I FOUND THE VACUM LEAK, THAT IS WHAT TRIGGERED THIS ENGINE CODE. PLEASE LIKE, SHARE, AND SUBCRIBE TO THE CHANNEL. STAY TUNED FOR MORE VIDEOS TO COME.#CRANKCASE#VENT#VALVE#OIL#SEPARATOR

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