Spn 3251 Fmi 2

This fault code sets when the pressure. Supplemental diagnostics for fault code spn 3251 fmi 2 & 21 dpfdp above or below desired level symptom(s) diagnostic trouble code(s) & dashboard indicator light(s): Compare your doc inlet pressure reading to the screen shots below to identify a possible cause of the fault code. If the doc inlet pressure starts out high above 10 kpa (1. 45 psi) and. Supplemental diagnostics for fault code spn 3251 fmi 2 dpfdp above or below desired level symptom(s) diagnostic trouble code(s) & dashboard indicator light(s):

To validate the repair using a chassis dynamometer test, utilize a routine that incorporates acceleration and motoring events, steady state highway operation, and load.