CONTROL SYSTEMS AND METHODS FOR NEWLY ASSEMBLED ENGINES
First Claim
1. An engine control system for a vehicle, comprising:
- a combustion control module that selectively controls a spark timing and airflow into an engine based on a counter value; and
a engine startup module that, when said counter value is one of greater than and less than a predetermined final value, controls an equivalence ratio (EQR) of an air/fuel mixture provided to said engine during an engine cranking period based on a fuel rail pressure and controls said EQR during an engine running period based on said fuel rail pressure and an engine runtime period,wherein said counter value is set to said predetermined final value after said engine is started for a first time after said engine is assembled.
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Accused Products
Abstract
An engine control system for a vehicle comprises a combustion control module and an engine startup module. The combustion control module selectively controls a spark timing and airflow into an engine based on a counter value. The engine startup module, when the counter value is one of greater than and less than a predetermined final value, controls an equivalence ratio (EQR) of an air/fuel mixture provided to the engine during an engine cranking period based on a fuel rail pressure and controls the EQR during an engine running period based on the fuel rail pressure and an engine runtime period. The counter value is set to the predetermined final value after the engine is started for a first time after the engine is assembled.
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Citations
20 Claims
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1. An engine control system for a vehicle, comprising:
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a combustion control module that selectively controls a spark timing and airflow into an engine based on a counter value; and a engine startup module that, when said counter value is one of greater than and less than a predetermined final value, controls an equivalence ratio (EQR) of an air/fuel mixture provided to said engine during an engine cranking period based on a fuel rail pressure and controls said EQR during an engine running period based on said fuel rail pressure and an engine runtime period, wherein said counter value is set to said predetermined final value after said engine is started for a first time after said engine is assembled. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An engine control method for a vehicle, comprising:
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selectively controlling a spark timing and airflow into an engine based on a counter value; and when said counter value is one of greater than and less than a predetermined final value, controlling an equivalence ratio (EQR) of an air/fuel mixture provided to said engine during an engine cranking period based on a fuel rail pressure and controlling said EQR during an engine running period based on said fuel rail pressure and an engine runtime period, wherein said counter value is set to said predetermined final value after said engine is started for a first time after said engine is assembled. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification