This is an inquiry we get 1,000,000 times each day. Beginning around 2007 all Dodge Cummins 6.7, Ford Powerstroke 6.4, and Chevy Duramax 6.6 trucks come from the industrial facility furnished with a particulate channel to satisfy harder outflow guidelines. A diesel particulate channel (DPF) is a gadget that traps the residue and unburnt fuel from diesel ignition. You might have seen assuming you have one of the 07+ diesel pickups that it never puts out any dark smoke whatsoever. The DPF will catch 90% or better of all unsafe diesel outflows. When the DPF has become “full” of sediment, it should have a recovery cycle to wear all the residue out. You might have seen a light on your scramble occasionally that cautions you that the DPF is in “regen” or “cleaning channel.”
Fundamentally what’s going on during this cycle is that the motor’s PC has chosen from the data that it gets from the sensors introduced in the exhaust that the dpf delete shop has topped off past its adequate breaking point. The PC then opens the 6.7 cummins egr valve (fumes recirculation valve) bringing hot fumes into the admission to help get fumes gas temps higher and furthermore infuses a little shot of fuel into the chambers when the fumes valves are open. The raised exhaust temps and the limited quantity of fuel then, at that point, wear out the particulate (residue) that the DPF has gathered since its last regen. When the PC gets readings from the sensors in the exhaust that the channel is streaming a satisfactory breaking point once more, it closes the regen cycle. The recurrence of this cleaning cycle is not the same as vehicle to vehicle relying upon use, mileage, and motor condition.
Legends about the DPF framework:
- The lines on the exhaust are fuel lines that dump fuel straightforwardly into the channel and different associations are shine or flash fittings that light the fuel to clean the channel.
Not the least bit. As I expressed over, the fuel required for cleaning the dpf is placed into the motor chambers by course of the ordinary fuel injectors during the fumes stroke of the motor. A little shot of fuel is pushed out with the remainder of the fumes gas. The metal lines everybody sees on the DPF channel are for a strain sensor that is generally joined to the side of the transmission or casing. They have the long metal cylinders on them to get the temperature of the exhaust they are estimating down before it arrives at the sensor. Once more, it doesn’t really matter to me what the tech at the showroom says regarding those lines, on the off chance that he says they are fuel lines (which I hear constantly), he is a simpleton and you ought to eliminate your truck from that point as fast as could be expected. Different wires you see going to the exhaust when the DPF channel are not flash or gleam plugs. They are thermocouples that action exhaust temperature. The PC utilizes exhaust temperature and tension previously, at, and after the dpf to quantify how stopped the dpf is and when now is the right time to play out a regen.
- I can simply eliminate the DPF channel and put a piece of line in there.
Apologies, no. In the event that you eliminate the DPF channel and make no changes in accordance with the motor’s PC, it will enter either a limp mode or a steady condition of regen. Basically, every one of the sensors and the dpf must be in amazing working request while running the stock vehicle’s modifying or, in all likelihood your truck will go haywire and you can not drive it.
Normal issues with the DPF framework:
- Unfortunate Fuel economy – This is the main protest we get from clients who have trucks outfitted with a DPF. Most clients who exchanged their pre-07 diesel pickups have been totally discontent with the absence of fuel mileage that used to appreciate. The typical efficiency we hear individuals report on the DPF prepared trucks is normally 12-14 mpg. A considerable lot of these people exchanged trucks that did 18-22 mpg and are totally sickened.
- Inordinate regens – Many of our clients who utilize their trucks for work grumble about exceptionally successive regens that kill their fuel mileage and execution. Numerous clients who work outside in the colder time of year were accustomed to leaving their old diesels run the entire day while they were hands available. The DPF prepared trucks don’t deal with this well overall. The cooler standing by temperature of the fumes gas will sediment up the DPF on a sped up rate. It is entirely expected for these clients to be on their second or third channel change in light of the fact that the truck went into steady limp mode. The generally showroom reaction is: “You can’t allow these new trucks to sit.” Which goes over beautiful well with folks who are stuck at a place of work five miles back in the forest the entire day and the temperature never earns over ten college educations.
- High substitution cost – If any of you have needed to pay for a 6.0 powerstroke egr cooler substitution out of guarantee, you likely had a respiratory failure when you got the bill. A substitution DPF (which isn’t accessible secondary selling yet) runs generally $2000-$2600 for the simply the channel alone. What’s more, hears the startling part. DPF life is assessed somewhere in the range of 120,000 and 150,000 miles. On the off chance that you anticipate saving your new diesel pickup for a couple hundred thousand miles better beginning a DPF reserve.
- Confines execution changes – With the new diesel pickups, the potential for pull upgrades is enormous. We have taken each of the three brands of pickups to near or more than 500 back tire drive and 1000 ft/lbs of force with just admission, exhaust, and programming adjustments. Never has such a lot of execution been so natural and reasonable while as yet keeping up with road habits. The main issue is anything past a little tow type tune will bother the particulate channel. Turning up the motor will deliver more residue which will plug the dpf sooner causing more regens. Numerous clients who run a 100 drive program report extremely unfortunate fuel mileage and consistent regens.
