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Home >> Toyota >> 2021 >> C-HR LE >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (W/ Canister Pump) - Diagnostic Codes (P0010-P011B) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem [02/2017 - 05/2018] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

All of the following conditions are met -
Average engine load value ratio Less than 0.85, or higher than 1.15 (varies with estimated engine load)
Average air fuel ratio Less than -9%, or higher than 19%