Finding what is normal dpf differential pressure psi
If you're hooked up to a scan tool and trying to figure out what is normal dpf differential pressure psi, you're likely dealing with a truck that's either acting sluggish or throwing a code that won't go away. It's one of those specs that can drive you crazy because the "right" number changes depending on whether you're sitting at a stoplight or pulling a heavy load up a steep grade. Generally speaking, a healthy, clean Diesel Particulate Filter (DPF) should show a very low reading at idle—usually somewhere between 0.1 and 0.3 psi. If you see it creeping up toward 0.5 or 1.0 psi while parked, you're starting to look at a filter that's getting restricted. ...