Diagnostic system and method to temporarily adjust fuel quantity delivered to a fuel injected engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 15, 2003
Grant Date -
N/A
app pub date -
Nov 13, 2000
filing date -
Nov 13, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a system and method to adjust temporarily the quantity of fuel delivered to the cylinders of a fuel injected engine. The present invention allows a service technician to temporarily adjust the quantity of fuel being delivered to each cylinder or all cylinders of an internal combustion engine. The system includes an internal combustion engine having therein an electronic control unit capable of controlling the fuel quantity delivered to each cylinder and a general service computer connectable thereto and capable of transmitting data to the ECU. When instructed by the service technician, the service computer sends signals to the ECU to adjust fuel injector data to the fuel injectors of so as to increase or decrease the amount of fuel being delivered to the fuel injected engine.
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