| 摘要 |
A method and apparatus for fuel system diagnostics for an internal combustion engine comprising determining at least one combustion characteristic for a combustion chamber of the internal combustion engine, comprising an actual heat release signal for the combustion chamber; and inputting the actual heat release signal into a diagnostic logic tree for diagnosing at least one of: a malfunctioning fuel injector, a start of combustion timing error; and, a change in fuel quality. |
