# Question: How Many Miles Will 1 Gallon Of DEF Last?

## How much DEF is left when light comes on?

Know now that one could still travel over a 100 plus miles after the light comes on which we just shouldn’t have to get to the point of having the light on.

116 gallons of diesel @ a 4% ration of DEF to fuel = 4.64 gallons of DEF.

Therefore, DEF goes 20 times further than 1 gallon of fuel..

## What happens if you accidentally put DEF in diesel tank?

If DEF is accidentally put into the fuel tank, you MUST call for service immediately! Do NOT start the engine. The truck should be looked at immediately by a certified mechanic if you believe DEF has been added to the fuel tank. Starting the engine could result in MAJOR repair costs.

## Can I use water instead of Def?

For the O/O’s using DEF, you can use distilled water instead. … Basically DEF is 33% urea and 67% deionized water. So, in an emergency you could use a mixture of 1/3 pee and 2/3 distilled water.

## Can you make your own def fluid?

DEF is 32.5 percent high purity urea and 67.5 percent demineralized water. But don’t think you can save some money and make your own DEF. Agricultural grade urea or UAN (urea ammonium nitrate) should never be used in place of DEF.

## How much DEF is used per mile?

No matter how heavy the load, according to the OE manufacturer, the typical average light duty truck will consume 2-3 gallons of DEF per 800 miles.

## What if I run out of DEF fluid?

If the truck is allowed to run out of DEF the engine’s power is reduced, a solid red warning will be displayed and the vehicle speed will be limited to 5 mph until the DEF tank is refilled.

## How often fill DEF tank?

every 5,000 to 6,000 milesFor example, for every 100 gallons of diesel fuel consumed, between 2 and 4 gallons of DEF will be automatically injected into the exhaust system. The typical DEF tank will be approximately 15 – 20 gallons, thus requiring a fill every 5,000 to 6,000 miles.

## How long does 2.5 gallons of DEF last?

According to the owner’s manual, a full DEF tank should last 6300 miles, but, as everyone knows by now, your mileage will vary.

## Does Walmart carry DEF fluid?

Super Tech DEF Diesel Exhaust Fluid, 2.5 Gallon – Walmart.com – Walmart.com.

## How much DEF is used per gallon of diesel?

DEF consumption will be approximately 2% of the diesel fuel consumed. Another way to consider it is that DEF will be consumed on a 50 to 1 ratio with diesel. (For every 50 gallons of diesel fuel burned, you will use 1 gallon of DEF).

## Can you pee in your DEF tank?

But sadly, the answer is “no”. A modern clean diesel car will recognize that your pee is not the right stuff. AdBlue solution has a far higher concentration of urea–32.5%–mixed into deionized water. … If you put in the wrong stuff, from pure water to windshield washer fluid to human urine, the car won’t run.

## What year did def fluid become mandatory?

2010A: Because almost all diesel-powered passenger cars and trucks built since 2010 are equipped with Selective Catalytic Reduction (SCR) and require Diesel Exhaust Fluid (DEF), it is readily available at most fueling stations and automotive parts retail stores. Truck stops often have a DEF pump right on the fuel island.

## Will def ruin paint?

It will damage the paint if you leave it on there.” If left to dry on its own, DEF will turn into a white, powdery substance, which is a good indicator of a DEF leak and something drivers should watch for when conducting their pre-trip inspections.

## Is def cheaper at the pump?

DEF is available via pump dispensers at some truck stops that cater to long distance haul trucks. … As for price, DEF currently trends a little cheaper than diesel fuel. Since diesel engines using SCR technology generally run cooler and achieve better fuel efficiency than those without, the cost washes out in your favor.

## How much does def cost per gallon?

According to Integer Research, which tracks DEF prices via its DiscoverDEF website, the average U.S. DEF pump price fell by a penny to \$2.74 per gallon between February and March – the continuation of a marginal downward trend, the firm said, as the pump prices is now down two cents per gallon since December of last …

## How long does def stay good?

one yearThe good news is, it’s a fairly long shelf life; DEF can usually be stored up to one year without any issues.

## Is DEF fluid made from urine?

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 all def created equal?

However, not all DEF is created equal. To get high-quality DEF and the type that’s designed for heavy equipment, it’s best to purchase from a reputable dealer. And regardless of where DEF is purchased, ensure it’s American Petroleum Institute (API) and AdBlue® certified.

## Is it hygienic to pee in the shower?

Despite rumors to the contrary, urine is not sterile . … While it’s important to regularly clean and disinfect your shower, a little pee on the shower floor or drain doesn’t mean you need to change your cleaning routine. Just give the floor an extra rinse before you turn off the water.

## Is DEF available at the pump?

Def can be purchased with a company fuel card, credit card or cash at most truck stops and retail gas stations. At cardlock fuel stations you will need a cardlock fuel card that is accepted at that specific location.