Hybrid vehicle control when towing
First Claim
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1. A method for controlling a hybrid vehicle having a trailer hitch comprising:
- detecting the hitch being in use;
commanding an engine to stop to increase fuel efficiency; and
in response to a torque to accelerate the vehicle being within a predetermined offset below an engine torque pull up schedule for an unladen vehicle, commanding the engine to start to reduce a time delay for starting the engine and increase vehicle torque to move the vehicle.
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Abstract
A method for controlling a hybrid vehicle having a trailer hitch includes detecting the trailer hitch being in use, commanding an engine to stop, and commanding the engine to start in response to a torque to accelerate being within a predetermined offset below an unladen vehicle torque pull up schedule.
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Citations
16 Claims
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1. A method for controlling a hybrid vehicle having a trailer hitch comprising:
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detecting the hitch being in use; commanding an engine to stop to increase fuel efficiency; and in response to a torque to accelerate the vehicle being within a predetermined offset below an engine torque pull up schedule for an unladen vehicle, commanding the engine to start to reduce a time delay for starting the engine and increase vehicle torque to move the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification