Quote:
Originally Posted by landspeed
In terms of autos... my 1989 auto actually does care about the TC. When slowing down, it does fuel cut above 80km/h, but once the torque convertor lockup deactivates, it instantly starts using the same amount of fuel per engine cycle as it would at idle - which means it is better to put the transmission into neutral - so at least it 'idles' more slowly.
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Mine's the same... without TC lockup it can quickly drop to where fuel delivery is restored. That's why I think it is just a simple FI RPM control that doesn't look at other inputs like tranny state.