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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Control System (3UR-FBE) - Diagnostic Codes (1 Of 6)) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2015 - 08/2018] >> Description

DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2015 - 08/2018]: Description

WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0102:

Refer to DESCRIPTION 

Refer to DTC P0102: Mass or Volume Air Flow Circuit Low Input; DTC P0103: Mass or Volume Air Flow Circuit High Input [08/2017 - 08/2018] .

DTC No. DTC Detection Condition Trouble Area
P0101 Conditions (a), (b), (c), (d) and (e) continue for more than 10 seconds (2 trip detection logic):
(a) Engine running
(b) Engine coolant temperature 70°C (158°F) or higher
(c) Throttle Position (TP) sensor voltage 0.2 V or more and below 3.6 V
(d) Average engine load value ratio less than 0.85, or more than 1.15 (varies with estimated engine load)
Average engine load value ratio = Average engine load based on MAF meter output / Average engine load estimated from driving conditions
(e) Average air-fuel ratio less than -15%, or more than 15%
  • Mass Air Flow (MAF) meter
  • Air induction system
  • PCV hose connections