C0227 Erratic wheel speed sensor
P0101 MAF circuit range / performance
P0420 Catalytic below threshold Bank 1
Can the MAP sensor cause all these code, more than likely no, For the now the MAP sensor is the back up when P0101 is set, What need to be looked for is what is causing the MAF from having low intake performance. Some cause can come from torn MAF air duct boot, plugged exhaust system,
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