Nissan 350Z P0507 Fault: Idle Speed Control System RPM Higher Than Expected

The OBD2 diagnostic code P0507 in a Nissan 350Z indicates that the idle speed control system is detecting an RPM higher than expected. This fault typically points to issues within the throttle control system or air intake pathway. Common causes include: - Failure of the electric throttle control actuator - Intake air leaks in the engine breathing system - Malfunctioning idle speed control mechanism This code may lead to unstable idling, stalling, or poor engine performance. It is recommended to perform a thorough inspection of the throttle body and intake system to identify root causes.