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Home › Lexus › 2010 › SC 430 › Repair and Diagnosis › Engine Performance › System › Engine Control System (Diagnostic Codes (P0010-P0340) › SFI System › DTC P0101: Mass Air Flow Circuit Range / Performance Problem › Typical Malfunction Thresholds

Typical Malfunction Thresholds

Average engine load Less than 0.85 or more than 1.2
Average air-fuel ratio Less than -20% or more than 20%
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