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Home >> Toyota >> 2009 >> Tundra Base, 4.0 U >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Control System (2TR-FE)) >> SFI System >> DTC P0101 Mass Air Flow Circuit Range/Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2009 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL MALFUNCTION THRESHOLDS CHART

Average engine road Less than 0.85% or more than 1.15%
Average A/F Less than -20% or more than 20%
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