P1109 Citroen HO2S22 Sensor Circuit Voltage Too Low Air Leak

P1109 Citroen HO2S22 Sensor Circuit Voltage Too Low Air Leak

Possible causes
– Faulty HO2S22 Sensor
– HO2S22 Sensor harness is open or shorted
– HO2S22 Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005 Citroen,2004 Citroen,2003 Citroen,2002 Citroen,2001 Citroen,2000 Citroen,1999 Citroen,1998 Citroen,1997 Citroen,1996 Citroen,