Caterpillar Inc.
Engine misfire mitigation

Abstract:

An engine misfire mitigation system is disclosed. The engine misfire mitigation system may include a sensor system; a fuel system to provide fuel to the engine; and an engine control module to: estimate an air pressure of a combustion chamber of the engine based on measurements from the sensor system, determine a probability that a threshold amount of hydrocarbons are present in an exhaust system of the engine based on the air pressure of the combustion chamber, determine that a fuel injection pressure is to be adjusted based on the probability that the threshold amount of hydrocarbons are present in the exhaust system of the engine and the air pressure of the combustion chamber, and cause the fuel system to reduce the fuel injection pressure.