Has anyone tested this for the VX? I've been coasting down all hills in neutral lately, and it has netted me my best avg mpg (45-48) since owning the car, but I wonder if leaving it in 5th would be better...
For this car, the reason I don't resort to shutting it down, is because it takes most wideband sensors around 10 minutes to warm up, so I don't want to avoid being in lean-burn if I can help it.
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On the never-ending quest for better gas mileage...
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