Is it illegal to bypass DEF system?

Given the open availability of this service, a farmer could be forgiven for believing that DEF modifications are legal. They're not. In the U.S., the EPA Clean Air Act prohibits anyone from tampering with an emission control device on a motor vehicle by removing it or making it inoperable.

Can you run without DEF?

The U.S. Environmental Protection Agency requires vehicle manufacturers to put measures in place to ensure that vehicles cannot run without Diesel Exhaust Fluid (DEF).

Is removing DEF illegal?

Yes, you can legally have your emission system removed from your vehicle, but it requires recertification by the manufacturer and a new emission label and certification issued.

Is it illegal to delete DEF on a semi truck?

Is Deleting A Diesel Illegal? The first myth is that tuning or Deleting a truck is legal. It isn't a state law (although there are some, as well). It is legal to remove your emission system from your vehicle, but you must have the manufacturer certify that it has been recertified and issued a new emission label.

Can you run equipment without DEF?

Can You Run A Diesel Engine Without Def? There is no way modern trucks will run without DEF. Drivers of diesel trucks therefore need to check their fluid levels frequently in order to make sure they're as good as possible. It is everyone's responsibility to reduce emissions.

TRUTH and LIES about DELETING your diesel truck!

Will a tractor run without DEF?

This simple and essentially harmless combination is released into the selective catalytic reduction, or SCR, of the diesel engine, where it produces clean exhaust. In short, DEF is another fluid a tractor needs in order to run.

What happens if you delete DEF system?

DEF Delete

Just like the DPF, the system will clear out excess soot by going into a regen cycle and using your vehicle's fuel to burn off and blow out the soot. The DEF can also reduce performance and fuel efficiency but can also cause issues with the system freezing up.

What happens if you don't put DEF in your truck?

If you ignore the DEF warning the truck will cease to work. Some diesel engine manufacturers allow the engine to go into reduced power mode so the truck can “limp home” or limit the number of times you can turn the engine over. At some point though the diesel engine will not start.

How long will a deleted 6.7 Cummins last?

You can probably do nothing to it, and have no real problems for 300,000+ miles… assuming good maintenance, minimal extended idling, and complete regen cycles. I can certainly understand why you want to delete/tune…same reasons we all do. No egr/mechanical emissions, and it's fun.

Can you delete DEF on a Duramax?

A DEF Delete Service for your Cummins, Duramax, or Powerstroke diesel engine from Revolution Motors will remove this system so your truck is running at peak efficiency and performance. Trucks with the DEF delete install can improve fuel efficiency by up to 30%.

Can you bypass DPF filter?

The process for removing a DPF is a relatively simple one that requires cutting a hole in a vehicle's exhaust, removing the filter and welding the resultant hole shut. Although MoT tests require diesel cars to have a DPF, this is checked via a visual inspection rather than emissions analysis.

Is it illegal to delete DEF system in Texas?

You may remove an emission system or device at any time if you are replacing it with one that is specified for that vehicle and is equally effective in reducing emissions.

Can you pee in your DEF tank?

Please do not urinate in your DEF tank, the SCR system will be damaged and it will cost thousands of dollars to repair. Here at Transliquid Technologies we specialize in providing the best quality of Diesel Exhaust Fluid.

Is DEF required?

DEF is a requirement for medium- and heavy-duty vehicles with diesel engines produced after 2010. The vehicle is programmed to inject the DEF into the exhaust stream to meet emissions requirements. If the vehicle is allowed to run out of DEF, the engine performance will be reduced, and lower speeds are imposed.

Can you use water instead of DEF fluid?

Subject: RE: Anyone replace DEF with water? Water won't hurt the system but it will de-rate you pretty quick. ECM compares NOx values pre/post, if conversion is low it will start throwing codes and will eventually derate.

What year did DEF become mandatory?

For years, truck drivers and fleet managers didn't have to worry about smog-proof equipment on their vehicles. Come 2008, the EPA mandated that all three-quarter-ton and larger trucks had diesel particulate filters installed. Then, the EPA tightened the restrictions even more in 2010.

Is diesel DEF going away?

"DEF works and its made from commonly available ingredients that are already being produced in vast amounts for the agricultural industry. The infrastructure is already in place." That's an important thing to remember. The world isn't going to abandon diesel anytime soon.

Can you make def fluid?

DEF is a mixture of (typically) 2/3 deionized water and 1/3 urea. It's carefully regulated by the American Petroleum Institute. Technically, urea is derived from one of the byproducts of urine. But it's synthetically made, so no cats are ever harmed in the production of the fluid.

Is it good to delete DEF system?

Deleting your DEF system can help save you money. Plus, your exhaust might have a bit of a beefier growl once you're done. DPFs are completely different. Also known as diesel particulate filters, these little buggers are exhaust filters installed in-line on your exhaust system.

How much does a DEF delete cost?

How Much Does A DPF Delete Cost? Prices and service times vary on the type and year of the unit and the extent of the delete but roughly range from about $3000 to $10,000. This cost is often either the same or less expensive than replacing the after-treatment systems upon failure.

How much does it cost to delete DEF on Duramax?

Deleting the LML DPF requires a delete kit and a tuner. Delete kits run from $300 for a base kit to up to $1,000 if you want to replace the full exhaust system.

Do farm tractors require DEF?

For 2014, diesel exhaust fluid (DEF) is going to be the norm for high-horsepower diesel engines,” says Luke Van Wyk, of Thunder Creek Equipment. “That means the pickups you drive, the semis you drive, the school buses your kids ride on, your tractors, your construction equipment – it's all going to use DEF now.

What tractors do not need DEF?

Tier 3 standard regulation

Tier 3 engines do not require DEF fluid. To meet the Tier 3 regulation, most engine manufacturers added an Exhaust gas recirculation (EGR) circuit to their engine to reduce the amount of oxygen in the combustion chamber. As a result, the exhaust contains less NOx.

Do all new tractors require DEF?

“None of our engines require diesel exhaust fluid (DEF) to meet EPA standards, but some models will be equipped with DPF,” he adds.