Methods and systems are provided for reducing carbon buildup in an exhaust gas recirculation system of an engine of a vehicle. In one example, a method comprises injecting a diesel exhaust fluid into an intake manifold of the engine, routing the diesel exhaust fluid into the exhaust gas recirculation system, and vaporizing the diesel exhaust fluid in the exhaust gas recirculation system. In this way, any carbon deposits associated with an exhaust gas recirculation valve and/or exhaust gas recirculation passage may be reduced, which may increase fuel economy and may reduce undesired emissions.
SYSTEMS AND METHODS FOR CONDUCTING ONBOARD ENGINE CLEANING ROUTINES IN A VEHICLE
2019-05-09
Patent
Electronic Resource
English
IPC: | F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen |
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