Definition of node. 1a : a pathological swelling or enlargement (as of a rheumatic joint)b : a discrete mass of one kind of tissue enclosed in tissue of a different kind.
Diesel exhaust fluid (DEF) from a separate tank is injected into the exhaust pipeline, where the aqueous urea vaporizes and decomposes to form ammonia and carbon dioxide. Within the SCR catalyst, the NO. x are catalytically reduced by the ammonia (NH. 3) into water ( H2O) and nitrogen (N.
Apparently not very, as the Better Business Bureau's own watchdog group (which isn't known for being very tough on advertisers) has recommended that the manufacturer stop claiming that it cleans catalytic converters: NAD Recommends ACCEL Discontinue Challenged Claims for âCataCleanâ Fuel Additive.