change your throttle positioning sensor located on the intake manifold
Trouble code P0505 means: Idle control system malfunction
Trouble code P0505 means: Idle Air Control System
Trouble code P0505 means: Idle Air Control System
p0505 code mean Idle Air Control System. And I need to know the information of your car, then I can help you.
Trouble code P0505 means: Idle Air Control System
Trouble code P0505 means:Idle control system malfunction
Trouble code P0505 means:Idle control system malfunction
Trouble code P0505 means:Idle control system malfunction
Error code P0505 typically indicates a fault with the idle air control system. This could be due to a faulty idle air control valve, a vacuum leak, or a problem with the throttle body. It is recommended to have the system inspected by a mechanic to diagnose and repair the issue.
you might check your IAC valve (idle air control valve) check your TPS
Trouble code P0505 means:Idle control system malfunction
The P0505 code indicates a malfunction in the Idle Air Control (IAC) system. In a 1997 Geo Prism, this typically points to issues with the IAC valve itself, which regulates airflow during idle to maintain a stable engine RPM. Other potential causes include vacuum leaks, wiring issues, or problems with the Engine Control Module (ECM) that manages the IAC. Diagnosing the exact cause often requires checking the IAC operation, inspecting for leaks, and ensuring proper electrical connections.