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P1126 Oxygen Sensing Adaptation, Lower Load Range, Bank 1 - Below Limit
P1133 Oxygen Sensing Adaptation, Lower Load Range, Bank 2 - Below Limit
No idea what P1054 is.
Probably a MAF problem, but could also be:
– Intake air system leaking
– Fuel pressure too low
– Volume supply of fuel pump too low
– Fuel injectors fouled
– Exhaust system leaking
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