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tC Automatic Trans
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Engine Control System (Diagnostic Codes (P0010-P0504))
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DTC P0101: Mass Air Flow Circuit Range / Performance Problem
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
Both conditions 1 and 2 met
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1. Average engine load ratio
Less than 0.83, or more than 1.15 (varies with estimated engine load)
2. Average air-fuel ratio
Less than -20%, or more than 20%