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Discussion Starter · #1 ·

So my girlfriends Focus has started stalling out occasionally when at low RPMs, finally pushed a code, engine too lean and bank 1 sensor 1 too lean...

So i pop the hood with it idling and i can hear a vacuum leak but cant find where it is to save my life (her engine is super loud lol).

Any ideas which hose i should be looking at?

Thanks in advance!
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