P0507 idle air control issue

abrad

Sr. Member
Joined
Feb 20, 2007
Messages
196
Points
18
Location
New York
Update - a couple friends independently mentioned a possible carbon buildup up on the throttle body/plate area, so I pulled the entire throttle assembly, and gave a good cleaning in the parts washer with a brass brush. There was a “little” bit of buildup around the edges of the throttle plate, and on the throttle body. Final cleanup with a small screwdriver to get as much as possible, then a final pass with another new brass brush. Took it out for a test drive and no problems. Now only time will tell if it’s finally fixed!
 

grcauto

wrench
Joined
May 29, 2014
Messages
1,059
Points
48
It don't take a lot of that stuff to cause problems.
 

abrad

Sr. Member
Joined
Feb 20, 2007
Messages
196
Points
18
Location
New York
FIXED! Turns out the connector for the cable had broken off on the end. New throttle housing and this problem has gone away!
 
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