VVT control method during lock pin disengagement

• Main Authors: Kanafani, Fadi S, Foley, Patrick M
• Format: Patent
• Language: English
• Published: 12.01.2010

A control method for an internal combustion engine of a vehicle that is used with a variable valve timing (VVT) system to promote lock pin disengagement. The method establishes if the VVT is at a lock pin position, establishes if a lock pin is not disengaged out of an associated recess, and can cont...