Webdifferential pressure sensor will read negative pressure if mounted incorrectly and will cause inaccurately controlled flow into the air intake manifold. Webpossible causes of this fault code include: The engine has been operating in a light load condition that prevents exhaust temperatures from being high enough to actively.

Webthe diesel particulate filter (dpf) pressure sensor on a peterbilt semi truck with a cummins isx engine is an important part of the emission control system. Webaug 6, 2015 · i have been able to spike my delta pressure to over 2. 00psi while in a regen and putting the pedal thru the floor board. You would really have to work hard to build a. Webaug 13, 2013 · attached to each end of it are 2 small stainless tubes going to a sensor known as the dpf differential pressure sensor. That sensor tells the ecm how clogged.

That sensor tells the ecm how clogged.