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P30BB fault code while logging

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I was doing some logs this past weekend when all of a sudden my dash lit up. Pulled over and these were the codes I got:

P30BB ( injector, power level 2 )
P29D1 ( misfire, cylinder 5 )
P29D2 ( misfire, cylinder 6 )
P29D2 ( misfire, cylinder 4 )
some code about no signal from lambda probe bank 2
also a code about fuel mass monitoring

The car wouldn't even limp home and I had to get it towed. The cobb is getting no AFR 2 reading so I'm guessing that the bank 2 O2 sensor is shot. It's the P30BB and the Fuel mass code that bothers me. Has anyone else seen these codes before and if so what did you do to resolve.

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