{
  "$type": "site.standard.document",
  "description": "Systems and methods for operating an engine that includes an oxygen sensor and one or more fuel injectors for each engine cylinder are described. In one example, lines describing a relationship between a fuel mass multiplier and a coefficient of a function describing output of an oxygen sensor to a…",
  "path": "/patents/1264971",
  "publishedAt": "2020-06-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/1454",
    "Ford Global Technologies, LLC"
  ],
  "textContent": "Systems and methods for operating an engine that includes an oxygen sensor and one or more fuel injectors for each engine cylinder are described. In one example, lines describing a relationship between a fuel mass multiplier and a coefficient of a function describing output of an oxygen sensor to a step change in fuel mass are a basis for determining air-fuel imbalance of engine cylinders.",
  "title": "METHODS AND SYSTEM FOR DETERMINING ENGINE AIR-FUEL RATIO IMBALANCE"
}