Ford P0509 Idle Air Control System Circuit High

Description

OBD-II Trouble Code Description for P0509 Ford

Idle Air Control System Circuit High

What does this mean?

OBD2 Code P0509 Ford definition:
The ECM has detected that the IAC counts are higher or lower than expected, the engine speed is not in its expected range.

Symptoms

Possible sumptoms of OBD code P0509 Ford
– Engine Light ON (or Service Engine Soon Warning Light) – Engine hard to start – Rough or erratic idle speed

Causes

Possible causes of OBD code P0509 Ford
– Dirty throttle body – Electric throttle control actuator misadjusted or damaged – Faulty Electric throttle control actuator – Intake air leak – Poor electrical connection to the Intake Air Control (IAC) valve

Possible Solutions

If there are no intake leaks, clean throttle body, adjust engine idle and erase engine code. If the code comes back you may have to replaced the Electric Throttle Control Actuator (Motor) to repair the problem.


The OBD2 Code Information Be Applicable For Ford:

2013 Ford Taurus,2013 Ford Mustang,2013 Ford Kuga,2013 Ford Fusion,2012 Ford Focus,2011 Ford Mondeo,2011 Ford Focus,2011 Ford Edge,2010 Ford Mustang,2009 Ford Focus,2008 Ford Fiesta,2008 Ford Escape,2007 Ford Mondeo,2006 Ford Focus,2005 Ford Mustang,2005 Ford Escape,2003 Ford Mustang,2003 Ford Focus,2000 Ford Mustang

 

Note:

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