System to lean--bank 2--, this means that an oxygen sensor in bank 2 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 2 is generally the side of the engine that doesn't have cylinder #1.in the vast majority of cases, simply cleaning the maf sensor will do the trick. (MAS S AIR FLOW SENSOR) you can go to any auto parts store and buy a can of sensor cleaner, just follow instructions on can. but be very careful with the sensor it is very delicate. be sure it is dry before replacing it.check all vacuum lines and be sure fuel filter is not clogging up. good-day!
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