Can you drive without AdBlue?
Adblue is not physically required to run an engine, but running an engine without it will cause the vehicle emissions to exceed what's legally permitted, so the vehicles are programmed to refuse to start if it runs out. Some will restrict performance if the adblue runs low, again to reduce emissions.
What causes AdBlue injectors to block?
This happens when small amounts of AdBlue leak or evaporate, leaving behind urea deposits. Over time, these deposits harden and form crystals, often clogging injector nozzles or other parts of the Selective Catalytic Reduction (SCR) system
