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Typical Malfunction Thresholds

LOW SIDE MONITOR

Mass air flow meter output voltage [Mass air flow]

Less than 1.76 to 2.77 V [10.1 to 51.0 g/sec] (varies with engine speed)

HIGH SIDE MONITOR

Mass air flow meter output voltage [Mass air flow]

1.51 to 1.70 V [5.8 to 8.9 g/sec] or more (varies with engine speed)