SYSTEM AND METHOD FOR COMPENSATING BIODIESEL FUEL

摘要

Methods and systems for adjusting a plurality of fuel injections supplied to a cylinder during a cycle of the cylinder are described. In one example, fuel amounts are adjusted in response to a biodiesel concentration in fuel supplied to an engine.

主权项

1. An engine method, comprising:
adjusting an amount of fuel injected in response to a biodiesel concentration in fuel supplied to an engine; and adjusting an amount of fuel injected in pilot fuel injections and an amount of fuel injected in a main fuel injection in response to the biodiesel concentration, the amount of the main fuel injection increasing at a faster rate than the amount of fuel injected during the pilot fuel injections.