Although a DPF delete could provide some advantages, there is an excellent reason for not deleting a diesel truck — it’s illegal. According to EPA regulations, it’s against the law to tamper with emissions equipment in any way, including performing a truck delete.
Some diesel owners are opting to “delete” these pollution-control components instead. A diesel delete involves taking out the DEF system, removing the catalytic converter and DPF, and installing a new exhaust. The vehicle’s ECU (engine control unit) will also have to be reprogrammed using a tuner.
What happens if I delete my DEF system?
In many cases, DEFs, DPFs, and EGRs are legally required for all newer trucks that have these systems installed at the factory. If you live in a state where your truck is required to pass emissions tests, deleting these systems can result in hefty fines.
Not only does DEF reduce fuel efficiency and performance, but it can also cause the system to freeze up since it is mostly made up of water!
Are DEF delete kits illegal? – Related Questions
What happens if you get caught with a DPF delete?
Legality of Deletes
If you, or the shop doing the work, is caught and prosecuted, the EPA can assess a fine of up to $4,527 for each “tampering event or defeat device,” in accordance with Section 205(a) of the CAA, 42 U.S.C. § 7524(a), and 40 CFR Part 19.
Can you get in trouble for deleting a diesel truck?
Myth #1 – Deleting or Tuning a Truck is Legal
There is no way around this; it is 100% illegal to tamper with or modify the emission system on your truck in any way. It isn’t a state or local law (although those exist, as well), but Federal law.
Is it worth doing a DPF delete?
Getting rid of them will net you minor power increases at best and a criminal record at worst, so it’s safe to say that DPF and EGR deletes aren’t worth the effort and cost.
Does DEF reduce engine life?
If DEF enters the fuel system and spread throughout the engine it will ruin the diesel engine eventually. The fuel system lines are not compatible with DEF and slowly corrode and over time.
Is it good to delete DPF?
DPF BENEFITS
There are three key benefits associated with DPF delete: more engine power, better fuel economy, and reduced maintenance costs. More power: After deleting the DPF, most owners report a better performing, faster responding engine. Better fuel economy: Fuel economy is a big winner after deleting the DPF.
Exhaust is injected with DEF before entering the SCR catalyst, where it is then transformed into clean air that exits the tailpipe. If you let the DEF tank run dry, you could experience days, weeks or even months of downtime — along with thousands of dollars in potential repairs.
Is it possible to bypass DEF?
The software bypass is a temporary fix until new sensors are made available. The bypass is only available to vehicle owners after the DEF sensor fault light indicator signals the first of three warnings before the engine is shutdown. Software patches will not be made available if no sensor lamp is illuminated.
Can I use water instead of DEF?
Should I keep my DEF tank full?
If the DEF tank contains less than 5% of its capacity, the equipment engine power will de-rate. Enough power will be available, however, to travel a short distance, so that you can add more fluid to the tank. The DEF tank needs to be filled once for every 3 to 4 times that you refuel with diesel fuel.
How do you winterize a DEF fluid?
Follow these steps to winterize these DEF systems:
Connect the DEF hose female quick connector to the male connector on the DEF auto shut-off nozzle.
Push the DEF pump switch to “Trailer Fill”.
Return the pump to “Off” position.
Will DEF go bad?
Because it doesn’t include any preservatives, DEF does come with a shelf life. The good news is, it’s a fairly long shelf life; DEF can usually be stored up to one year without any issues.
Cycles of freezing and thawing have no effect on DEF fuel quality, regardless of how many times the cycle is repeated. This is especially important for vehicles equipped with Selective Catalytic Reduction (SCR) systems regularly subjected to harsh winter conditions.
Can DEF be left in the sun?
If DEF is stored outside it must be kept shaded from the sun. DEF will begin to lose its urea potency if kept in direct sunlight for too long. Store DEF below 86°F (30°C) or in the coolest part of the storage facility.
Does sunlight ruin DEF?
The best temp to store DEF is around 50 degrees Fahrenheit. Keep in mind that prolonged exposure to sun can harm DEF’s composition so keep DEF stored indoors or in a well-shaded area.
Is there an additive for DEF fluid?
MotorKote® DEF Reducer™ is a Diesel Fuel Additive that helps reduce regen. burn cycles and extend Diesel Particulate Filter (DPF) life. While using MotorKote® DEF Reducer™ the combustion fuel catalyst allows the fuel to burn clean and efficiently with minimal soot and contamination.
Does DEF eat aluminum?
DEF is not toxic but is corrosive to metals such as carbon steel, aluminum, copper and zinc. Never uses containers that might have been used to store other fluids.