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Home >> Mazda >> 2007 >> CX-9 Touring, 3.5 C, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System MZI-3.5) >> DTC P0507 >> Notes
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DTC P0507: Notes

DTC P0507 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0507 IAC system RPM higher than expected
DETECTION CONDITION 
  • This DTC is set when the PCM detects an engine idle speed that is more than the desired engine speed.
POSSIBLE CAUSE 
  • Intake air leak after throttle body
  • Vacuum leakage
  • EVAP system malfunction
  • Throttle body malfunction
  • PCM malfunction
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