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Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine General Information And Diagnosis >> Diagnostic Information And Procedures >> DTC P0101: Mass Air Flow Circuit Range/Performance >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
Ratio of MAF sensor signal to estimated MAF based on engine speed and MAP signal is more than 1.3 or less than 0.8 for more than 10 sec. (2 driving cycle detection logic, monitoring once per driving cycle)
  • Air intake system (Clog or leakage)
  • MAF sensor and its circuit
  • MAP sensor and its circuit
  • Exhaust system (clogged WU-TWC converter)
  • ECM