167-T2008-1

20MY Conventional trucks equipped with a bubbler filter 23304-EV460 may set Diagnostic Trouble Codes (DTC's) P20DE and/or P0005 under some conditions. If a truck comes into your location exhibiting these DTC's and is equipped with the 23304-EV460 bubbler filter, replace the filter with 23304-EV023 and retest.