code 3251.0

[Rawze]

Your first mistake was not buying OEM sensors from an actual dealers$it. Half arssed purchases + tying to save a $$$ on critical components is absolutely the wrong attitude in trucking!!!. = half-arssed results.

next: If your getting DPF back-pressure and errors the you need to pull the DPF and DOC, take pics of their faces .. post them on here for review of what has built up on them. Then take them to a certified stelaers$it and have them baked, de-ashed, and flow tested. Then do a maintenance reset in insite so that the ecm knows you did this too.

Replace the DPF diff pressure sensor as well, and clean out its cross-tubes, replace any worn out rubber joints, etc. so that it can read correctly once the new cans are back on too.