Methods and systems are provided for a fuel system of a hybrid vehicle. In one example, a system may include a fuel tank selectively fluidly coupled to a fuel vapor canister via a first conduit that includes a fuel tank isolation valve and via a second conduit that includes a tank pressure control valve and a pump. In one example, the pump is a vacuum pump.
Systems and methods for vehicle fuel system and evaporative emissions system diagnostics
09.11.2021
Patent
Elektronische Ressource
Englisch
IPC: | 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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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