DTC P0507:00 [MZI-3.7]: Notes

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

DTC P0507:00	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