Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Found a Civic VX; Great Mileage Starts Now!

NachtRitter · 02-02-2009, 04:54 PM

Dangit!! Just discovered that on my Honda VX, when I turn off the ignition in order to do an Engine Off Coast, the trip odo stops recording mileage ... Argh!!!

I have not yet verified if the "master odometer" also stops recording mileage...

Since I always use the trip odo for calculating my FE, and since I did a lot of EOC last tank, and since I didn't turn the ignition on until I needed to do the bump start, I probably lost about 20 miles worth of distance on my trip odo on the last tank (there are 3 times where I can coast from ~65mph down to ~55mph over 2 to 3 miles on the way down the hill to work)...

Though I knew the speedo was electronic (it goes to zero when ignition is off) I just made the naive assumption that the trip odo operated mechanically....

Guess I'm going to have to look at a better way to kill the engine (I've seen several different approaches in threads here) if I want to EOC and keep accurate track of the miles.

02-02-2009, 04:54 PM	#36 (permalink)
NachtRitter NightKnight Join Date: Dec 2008 Location: Placerville, CA Posts: 1,595 Helga - '00 Volkswagen Jetta TDI TEAM VW AUDI Group Diesel 90 day: 51.85 mpg (US) Mathilde - '99 Volkswagen Eurovan Camper 90 day: 16.87 mpg (US) Thanks: 315 Thanked 314 Times in 187 Posts	Well Son of a Monkey's Furry Behind!! Dangit!! Just discovered that on my Honda VX, when I turn off the ignition in order to do an Engine Off Coast, the trip odo stops recording mileage ... Argh!!! I have not yet verified if the "master odometer" also stops recording mileage... Since I always use the trip odo for calculating my FE, and since I did a lot of EOC last tank, and since I didn't turn the ignition on until I needed to do the bump start, I probably lost about 20 miles worth of distance on my trip odo on the last tank (there are 3 times where I can coast from ~65mph down to ~55mph over 2 to 3 miles on the way down the hill to work)... Though I knew the speedo was electronic (it goes to zero when ignition is off) I just made the naive assumption that the trip odo operated mechanically.... Guess I'm going to have to look at a better way to kill the engine (I've seen several different approaches in threads here) if I want to EOC and keep accurate track of the miles. __________________ My VW MkIV Aerodynamic Mods (For Jetta and Golf) thread VW Save as You Drive. Background information for expert fuel savers.