Does VW Tiguan need AdBlue?
How long does AdBlue last and how much AdBlue do I need? VW estimates that the Tiguan and Passat use 1.5 litres of AdBlue every 620 miles, and suggests that a tankful of AdBlue gives a driving range of 3,000-4,000 miles for the Tiguan, and 4,000-6,500 miles for the Passat.
What is AdBlue VW?
AdBlue® is a non-toxic, non-flammable; biodegradable urea and water-based liquid additive that processes the gases in a car exhaust system to remove harmful nitrogen oxide (NOx) emissions. The System works by injecting minute amounts of the solution into the exhaust system when the engine is running.
How do I know when AdBlue is low?
Once you’ve stopped, you won’t be able to restart the engine if the AdBlue tank’s empty. The car will give you plenty of warning that the AdBlue tank’s running low. You’ll usually see a text warning on the dashboard at around 1500 miles to go followed by an amber warning light.
Why does my VW diesel have An AdBlue warning?
On these models with the diesel engine, the AdBlue warning might be illuminated and code P20E8 for reductant pressure too low might be stored in the ECM. The welding process used to seal the reductant line and connector to the supply line has leakage at the reductant injector. VW has issued an improved supply line assembly to eliminate the leak.
What is the AdBlue code on a Volkswagen Passat?
On models with the diesel engine, the AdBlue warning might be illuminated and code P20E8 for reductant pressure too low might be stored in the ECM. 2015 Jetta, Beetle, Passat and Golf with the 2.0 TDI engine.
Is it safe to drive with the AdBlue warning light on?
The AdBlue warning light usually means the diesel exhaust fluid is low, which will eventually prevent your engine from starting. Is it safe to drive with the AdBlue warning light on? Diesel engines have generally been reserved for trucks and bigger, heavier machines until now.
Can a malfunctioning AdBlue system warn you?
It’s possible for a malfunctioning AdBlue system to warn you that you won’t be able to start the car again until it’s fixed. If it’s a true malfunction, you’d want to stop close to a diesel mechanic, preferably a german one. We don’t know the final resolution of DonZ’s problem (if any).