unpluged throttle connecter engine idles high code po507
P0507 NISSAN - Idle Control System RPM Higher Than Expected Read more: https://www.autocodes.com/p0507_nissan.html
Start by cleaning the throttle body and perform Idle Air Volume Learning Procedure. Instructions here: http://nissanhelp.com/diy/sentra/projects/nissan_sentra_idle_air_volume_learning.php
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