Method and system for clogged injectors diagnostics using fuel trims

A system for diagnosing a clogged injector of an internal combustion engine comprising:

• a data interface configured to receive engine data from an engine management system configured to receive a plurality of parameters from sensors that monitor the parameters indicative of engine operation;
• a fuel trim diagnostic system stored as computer programs comprising executable instructions in a memory system;
• and
• a processor configured to execute the executable instructions of the computer programs of the fuel trim diagnostic system, where when executed the fuel diagnostic system maps the plurality of parameters to different levels of fuel injector clogging.