Quote:
Originally Posted by mikehallbackhoe
okay,so I definitely have dfco,so if I am going down a steep mountain road, I should just leave it in gear, with the engine running, no throttle, and it will use no fuel going down the mountain?
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That is how it should be, but do a test, drive one or two tanks with leaving it on gear and see if there is change to your typical method, that should be best way to tell if it is working in your car.
I play only with older cars and there are things people do to them while imagining it will increase performance
