What year did the VW TDI start using DEF?
TDI engines installed in 2009 to 2015 model year Volkswagen Group cars sold through 18 September 2015 had an emissions defeat device, which activated emissions controls only during emissions testing. The emissions controls were suppressed otherwise, allowing the TDI engines to exceed legal limits on emissions. Most Reliable VW Engine – 1. PD TDI It was used in VW group cars from around 1998 to 2009, almost every car was available with a variant of this engine, from the smaller Golf up to commercial vehicles and people carriers.
How much DEF does a TDI use?
DEF is consumed at a rate of about 2-3% relative to the amount of fuel you are using. DEF Shelf Life and Temperature Requirements Diesel Exhaust Fluid (DEF) can last up to a year if stored in a cool, dry, and ventilated area between 12-65°F, but its shelf life significantly decreases when exposed to temperatures above 86°F, leading to potential degradation and reduced effectiveness.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. One important note, make sure you don’t allow your DEF to go completely dry.How can an operator determine how much DEF they will need/use? A: The average consumption rate of DEF is between 2-3% of the diesel fuel consumption. For example, for every 100 gallons of diesel fuel consumed, between 2 and 3 gallons of Diesel Exhaust Fluid will be automatically injected into the exhaust system.The standard date code for DEF expiration is set at around one year. After this, the DEF fluid simply isn’t as effective as a diesel particulate filter. It’s simple to fill up the DEF in your truck’s engine since DEF is sold at most diesel refueling stations.