Code P0505 on a 2001 Nissan Xterra indicates an issue with the Idle Air Control (IAC) system. To fix it, first inspect and clean the IAC valve and its passages, as carbon buildup can cause malfunction. If cleaning doesn't resolve the issue, check the electrical connections and wiring to the IAC for any damage or corrosion. If those components are functioning correctly, consider replacing the IAC valve.
Trouble code P0505 means:Idle control system malfunction
Trouble code P0505 means: Idle Air Control System
Trouble code P0505 means: Idle Air Control System
code po 448
Trouble code P0505 means:Idle control system malfunction
Write down the VIN number of your vehicle, then call the dealer and ask them.
Trouble code P0505 means:Idle control system malfunction
Trouble code P0505 means:Idle control system malfunction . What part would cause this code ?
Trouble code P0505 means:Idle control system malfunction
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Trouble code P0505 means: Idle Air Control System
CKP Crankshaft Position sensor