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.
Prices range from around $550 for a base tuner to more than $3,000 for a complete performance kit with DPF delete, cold-air intake, stainless down pipe plus other items. The good news is there are many ways to increase the power and performance of diesel pickups without breaking the law.
How much does it cost to delete DEF on Duramax?
Additionally, they offer a complete delete package that includes DPF, EGR, and a tuner with pre-programmed delete tunes. Since it usually makes sense to delete everything at the same time, a complete delete kit is the way to go and gives you everything you need for about $1,700, without the need to get a custom tune.
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.
Is it worth deleting DEF? – Related Questions
Can DEF be bypassed?
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.
Are DEF delete kits illegal?
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.
What happens when you delete DEF system?
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%.
Is it illegal to bypass DEF system?
While there are diesel exhaust fluid cheats to bypass emission controls, we do not recommend them. Doing so is illegal and can damage your car in the long run. First off, you can receive a hefty fine for not meeting emissions standards. Secondly, you’re harming the environment by not keeping your emissions down.
To put it bluntly, no, you should not remove the emissions equipment from any diesel pickup. Regardless of local and state testing requirements, it is a federal crime to remove any factory installed emissions equipment.
What happens if you don’t but DEF to the car?
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.
Does DEF shorten engine life?
Does DEF shorten 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.
Can you run water instead of DEF fluid?
Can running out of DEF damage your engine?
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 California banning diesel trucks?
This includes mandating that all new trucks operating around busy railways and ports be zero-emission vehicles by 2024; phasing out all diesel trucks from those areas by 2035; and eventually taking every diesel truck and bus fleet off California roads by 2045, where feasible.
DEF is urea or otherwise known as aqueous ammonia. Windshield washer fluid that contains ammonia will do in a pinch. It contains less AA than needed but will get you to a town where you can get DEF.
How many miles per gallon of diesel exhaust fluid?
Most DEF tanks require one gallon of DEF for every 50 gallons of diesel fuel, and one gallon will generally last between 300 to 500 miles.
How many miles will 1 gallon of DEF last?
How Often Do You Have to Add Diesel Exhaust Fluid? 2.5 gallons of DEF will last approximately 800 miles on the road. That means, 1 gallon of DEF will last about 300 to 500 miles. You can figure, for every 50 gallons of diesel, you’ll need 1 gallon 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.