P0507 - 2004 Nissan Sentra

Question edited for clarity.
Question moved to model category.

P0507 - Meaning, Causes, Symptoms, & Fixes - FIXD app

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Mar 3, 2022 - P0507 can be caused by anything from an intake or vacuum leak to a dirty throttle body to a faulty electric throttle control actuator. It's ...
‎What Does Code P0507 Mean? · ‎How Do I Fix Code P0507?

check for a vacuum leak...

P2173 DODGE - High Air Flow - Vacuum Leak Detected - Slow Accumulation
https://www.autocodes.com/p2173_dodge.html

P0507 - Idle Control System RPM Higher Than Expected
https://www.autocodes.com/p0507.html

possible causes are:

Dirty throttle body
Electric throttle control actuator incorrectly adjusted/faulty/damaged
Air leak on Intake
Poor electrical connection to the Intake Air Control valve

P0507 KIA Idle Air Control IAC System RPM Higher Than Expected

P0102: you need to make sure the sensor is clean; sometimes it get dirty as you are working on an old car. Check the voltage manually. Make sure there is no air leak near it

P0507: high idle... this sounds like a vacuum leak. get starter fluid and start the car. Spray around and check for change in car idle

Check this link out and the causes of your P0507 code. P0507 OBD II Trouble Code Idle Control System RPM Higher Than Expected...

click on code for details.
P0507
P0442
P0443

This ought to help, better late than never ;-)

http://www.obd-codes.com/p0507

P0507-- idle speed high