Quote:
Originally Posted by UFO
My Scangauge tells me fuel consumed idling in neutral vs in drive is roughly half. I bet that is common to most automatics. It's the engine load that consumes fuel, and a small rpm spike does not take much.
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My wife and I had this same discussion in her Avalon.
I was able to show her on the SGII that at idle, in neutral fuel consumption is .4 gph. In drive, at idle fuel consumption was .75 gph.
Almost twice as much fuel burned per hour at idle in drive v neutral.
Even though the idle went up by 100 rpm.