Fuel metering control system for internal combustion engine

Details Fuel metering control system for internal combustion engine Fuel metering control system for internal combustion engine

1995-12-29

1997-08-19

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

F02D 4100

Patent

active

056577362

ABSTRACT:
A fuel metering control system for an internal combustion engine having a plurality of cylinders. The system includes an air/fuel ratio sensor and engine operating condition detecting means for detecting engine operating conditions. The basic quantity of fuel injection is determined by retrieving mapped data according to the engine speed and engine load. A controller is provided to calculate a feedback correction coefficient to correct the quantity of basic fuel injection such that variance between individual cylinder air/fuel ratios is decreased. The quantity of fuel injection is further corrected by a fuel adhered to an intake manifold wall.

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