Why is my AdBlue light still on after filling it up?
There could be several reasons why your AdBlue light is still on even after filling up the AdBlue tank. Some possible causes could be: AdBlue tank sensor issue: The AdBlue tank sensor may not be working properly, causing the system to think that the tank is empty, even though it’s full. Never overfill the system, either. This situation can create a vacuum within the tank that prevents the AdBlue from being injected into the exhaust. Consequentially, the AdBlue light may remain illuminated after filling. The AdBlue pump and circuitry are located on top of the tank in some cars.Never overfill the system, either. This situation can create a vacuum within the tank that prevents the AdBlue from being injected into the exhaust. Consequentially, the AdBlue light may remain illuminated after filling. The AdBlue pump and circuitry are located on top of the tank in some cars.Best way to fill pump auto stops when full. Just for your info better to keep your adblue top up to prevent crystallization in the tank.Park your car on a flat surface and turn off the engine. Locate the AdBlue tank. Open the AdBlue tank cover. Insert the nozzle of the AdBlue container into the tank and start filling.
Why is the DEF light still on after filling?
To refill the DEF system, locate the DEF tank and fill it with certified DEF fluid. If the light stays on after refilling, there may be an issue with the DEF sensors, injector, or other system components. In this case, it’s recommended to visit a professional for further diagnosis and resetting. Fill container with known good DEF Fluid. Submerge DEF Quality sensor end of assembly inside the container overnight. After sensor has set overnight in DEF fluid, remove from container. Reinstall rubber boot over sensor and place zip ties around boot.