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Home >> Toyota >> 2016 >> RAV4 Limited, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> SFI System [2AR-FE] (Diagnostic Codes) (Except Hybrid) (7 Of 7) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2017 - ] >> Description

DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2017 - ]: Description

Refer to DTC P0102.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0101 Mass Air Flow Circuit Range / Performance Problem All of the following conditions continue for more than 10 seconds (2 trip detection logic).
(a) The engine is running.
(b) The engine coolant temperature is 70°C (158°F) or higher.
(c) The throttle position sensor voltage is 0.2 V or higher, and less than 2 V.
(d) The average engine load value ratio is less than 0.83, or higher than 1.15 (varies with estimated engine load).
Average engine load value ratio = Average engine load based on mass air flow meter sub-assembly output / Average engine load estimated from driving conditions
(e) The average air fuel ratio is less than -20%, or higher than 20%.
  • Mass air flow meter sub-assembly
  • Intake system
  • PCV hose connections
Comes on DTC stored DTC for Mexico Models
- Not apply