P1408 Acura EGR Flow Out Of Self Test Range

P1408 Acura EGR Flow Out Of Self Test Range

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

Acura Vehicle:

Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX