Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Biggest MPG error you've seen on your uncalibrated gauge? (Nissan X-trail SG/UG)

gone-ot · 05-02-2014, 04:34 PM

...assumed stoichiometric 14.7:1 AFR is *why* almost ALL mpg meters are seldom 100% accurate...especially, coupled with those times (short trips, cold weather, wot) when the engine is running in "open-loop" rather than "closed-loop" operation.

05-02-2014, 04:34 PM	#17 (permalink)
gone-ot ...beats walking... Join Date: Jul 2009 Location: . Posts: 6,190 Thanks: 179 Thanked 1,525 Times in 1,126 Posts	...assumed stoichiometric 14.7:1 AFR is why almost ALL mpg meters are seldom 100% accurate...especially, coupled with those times (short trips, cold weather, wot) when the engine is running in "open-loop" rather than "closed-loop" operation.