Gas burned per minute spent idling figures?

[iveyjh]

My metro idles when warm anywhere between .08 to .11 per hour.

[Frank Lee]

1l to 5.3l;
.08-.11 x 5.3 = .42 to .58;

Roughly comparable liter-to-liter with the big V8s.

[gone.2]

I don't turn off my Versa's engine unless I pull up to a light that I know from experience has a frustratingly long wait. Or there's a train. I figure even at 1/2 gallon per hour, any savings I get will be negated by the increased workload on the starter and the engine wear on startup. I can buy a lot of fuel for what Nissan would charge me to replace my starter.

I read a book a while back (How to make your car last forever) that explained how every time an engine is started, before the oil pressure builds up to do it's normal job, the metal-to-metal wear on the main bearings and the other initially non-lubricated parts of the motor like the camshaft and timing gear is the same as if you drove 500 miles.

[t vago]

Haven't measured the other two vehicles in my stable, but the Karen-mobile consumes anywhere from .48 to .56 gph at warm idle. From a cold start in the 20 F - 30 F range, cold idle goes from about 1.1 gph and steadily drops. This is with an MPGuino.

Gotta get MPGuinos installed in my other two vehicles!

[3-Wheeler]

I had previously measured the Insight MT at 150mpg at 20 mph. This is the point where the instant fuel consumption indicator starts to drop, due to the reduced speed when performing a coast down test with the engine on.

If I did the math correctly, this comes out to 1 gallon every 7.5 hours, or 0.13 GPH.

Jim.

[ssnsvibe09]

I will have more information tomorrow hopefully, but it seems that my vibe hot idles at 0.53L per Hour. I did find out with my latest expermental software Dashcommand that I can coast at highway speeds at over 300MPG, I am sure that it is close enough to infinity not to justify engine off coasting.

I am liking Dashcommand over torque so far. I am hoping that the logged data is compatible with my laptop software scanxl

I am doing a cold soak start and idle warmup to full operating temp. Then I can compare it to my blockheater starts next week.

[Cobb]

I got a harbor freight generator that is rated at 800 watts, runs 5.5 hours on a gallon of fuel. Wow, either its pretty efficient or just a very small displacement?

[ssnsvibe09]

Idle warmup done today from cold soak for my Vibe.

It was -1 degree C and the coolant was at -6 when I started. It took over 20 minutes to warmup to 180 degree Fbut the engine did eventually flatline at 185 degree F. It looks like it only takes 20 seconds to get into closed loop mode, which is great. I burned just over .3 L during the test and my car hot idles at 0.526 LPH or 0.139 GPH.

[kennybobby]

Originally Posted by Cobb

I got a harbor freight generator that is rated at 800 watts, runs 5.5 hours on a gallon of fuel. Wow, either its pretty efficient or just a very small displacement?

Probably small displacement because it's not very efficient. The energy content of a gallon of gasoline is 36.6 kWh, and 800 watts for 5.5 hrs is 4.4 kWh, so the efficiency is only about 12%. And i doubt it will run at 800 watts continuously so efficiency will be even less.

[NeilBlanchard]

Fully warmed idle for my xA is 0.16-0.17GPH. I try and catch the cold idle soon.