LEMON Manuals
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GX 460 Base
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Control System (Diagnostic Codes) (1 Of 7)
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SFI System
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DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2015 - ]
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Typical Malfunction Thresholds
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Typical Malfunction Thresholds
Both conditions 1 and 2 met
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1. Average engine load value ratio
Less than 0.85, or more than 1.15 (varies with estimated engine load)
2. Average air-fuel ratio
Less than -20%, or more than 20%