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HDi fun · 02-05-2008, 08:57 PM

If you're coasting in gear with foot off the accelerator then surely there's no fuel delivery at all. as soon as you select N or declutch then the ECU delivers fuel to maintain idle speed.

I can verify this with the instantaneous MPG readout on my car's trip computer.

02-05-2008, 08:57 PM	#3 (permalink)
HDi fun Moderator The Torque Meister Car: Peugeot 406 Join Date: Apr 2006 Location: SOUTH EAST Posts: 1,526	Re: Best method of coasting for MPG+? If you're coasting in gear with foot off the accelerator then surely there's no fuel delivery at all. as soon as you select N or declutch then the ECU delivers fuel to maintain idle speed. I can verify this with the instantaneous MPG readout on my car's trip computer.