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Home >> Mazda >> 2007 >> 6 s, 4D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (On-Board Diagnostic [Engine Control System L3 With TC]) >> DTC P0505 >> Notes
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DTC P0505: Notes

WARNING: This page is about a different variant/trim than selected.
DTC P0505 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0505 IAC system problem
DETECTION CONDITION 
  • The PCM cannot control idle speed toward the target idle speed during the KOER self test.
POSSIBLE CAUSE 
  • Air cleaner element clogged
  • Air intake passage clogged
  • A/C relay control circuit malfunction
  • Generator control circuit malfunction
  • Low engine compression (Over capacity of blow-by gas)
  • Electronic throttle control system improper operation
  • PCM malfunction