P1408 Citroen EGR Flow Out Of Self Test Range

P1408 Citroen EGR Flow Out Of Self Test Range

Possible causes
For vacuum activated systems, see the possible causes for DTC P0401 Citroen. For electric motor systems, see the possible causes for DTC P0400 Citroen.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1408 Citroen Description

This test is performed during the KOER on-demand self-test only. The EGR system is commanded on at a fixed engine speed. The test fails and the DTC is output when the measured EGR flow falls above or below the required calibration .

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,