How accurate is the tank average reading?
#11
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Posts: n/a
Re: How accurate is the tank average reading?
Over inflated tires (like some of the folks here who are running 40 something lbs instead of the manufactures recommended 32 lbs) can mess with the speedometers calibration.
Yeah, and I'd be real concerned with safety. These are not high performance speed rated tires. Jacking up the pressure to over 40 psig and add the 100+ degree temps across the country does not fit well for 80 mph interstate driving.
Yeah, and I'd be real concerned with safety. These are not high performance speed rated tires. Jacking up the pressure to over 40 psig and add the 100+ degree temps across the country does not fit well for 80 mph interstate driving.
#12
Re: How accurate is the tank average reading?
Ok well I filled the tankf or the second time, I squeeze as much gas in the tank as it will take, until I feel it is close ot over flowing. Both times it appears the "Tank Average" seems to be from 1-1.5 MPG over what I manually calculated. I was hoping it woudl be a tad more accurate so I woudl nto have to manually calculate it, and I really don't like jamming all that extra gas in the tank.
#13
Re: How accurate is the tank average reading?
"I squeeze as much gas in the tank as it will take"
Please don't. See http://www.epa.gov/donttopoff/ for why this is bad.
Please don't. See http://www.epa.gov/donttopoff/ for why this is bad.
#14
Re: How accurate is the tank average reading?
interesting, thanks. Never thought any would get sucked back into the stations system, usually if I have ever overfilled int he past it has spilled over the filler neck, usually on older cars.
#15
Re: How accurate is the tank average reading?
I'm not sure why everyone seems to give an extra squeeze or two after the pump stops. Your mileage reading should be no more or less accurate if you just stop fueling when the pump shuts off. Yes, different pumps may not shut off at the same time, but adding an extra squeeze or two will not make it any more consistant.
It's been documented that topping off your tank is not healthy for your car, and taking your average mileage over a number of tanks will smooth out any inaccuracies of different top-off levels. A half-gallon difference in fuel used will make a significant difference in your mileage over a single tank, but be relatively inconsequential over after 10 fill-ups.
It's been documented that topping off your tank is not healthy for your car, and taking your average mileage over a number of tanks will smooth out any inaccuracies of different top-off levels. A half-gallon difference in fuel used will make a significant difference in your mileage over a single tank, but be relatively inconsequential over after 10 fill-ups.
#16
Guest
Posts: n/a
Re: How accurate is the tank average reading?
I'm not sure why everyone seems to give an extra squeeze or two after the pump stops
I wouldn't necessarily need to anymore because after 21 fill ups I know how my tank reacts. However I started this because my company vehicle, an Explorer, can hold anywhere between 3 and 4.3 gallons AFTER it kicks off. Trying to calculate milage like that is impossible.
My Camry though seems consistant with where it kicks off. I simply have given it two squeezes (small actual amount of gas) to make sure it really meant to kick off as I have had times where the nozzel would kick off in my other cars because of pressure yet it took another gallon.
I believe I will start "slowing" the fill when it gets near the top and then stop when it kicks off. Perhaps not wasting the vapor can get me over the hump on my path to 39mpg
I wouldn't necessarily need to anymore because after 21 fill ups I know how my tank reacts. However I started this because my company vehicle, an Explorer, can hold anywhere between 3 and 4.3 gallons AFTER it kicks off. Trying to calculate milage like that is impossible.
My Camry though seems consistant with where it kicks off. I simply have given it two squeezes (small actual amount of gas) to make sure it really meant to kick off as I have had times where the nozzel would kick off in my other cars because of pressure yet it took another gallon.
I believe I will start "slowing" the fill when it gets near the top and then stop when it kicks off. Perhaps not wasting the vapor can get me over the hump on my path to 39mpg
#17
Re: How accurate is the tank average reading?
Originally Posted by WVGasGuy
I believe I will start "slowing" the fill when it gets near the top and then stop when it kicks off. Perhaps not wasting the vapor can get me over the hump on my path to 39mpg
#18
Re: How accurate is the tank average reading?
Originally Posted by Orcrone
I'm not sure why everyone seems to give an extra squeeze or two after the pump stops. Your mileage reading should be no more or less accurate if you just stop fueling when the pump shuts off. Yes, different pumps may not shut off at the same time, but adding an extra squeeze or two will not make it any more consistant.
It's been documented that topping off your tank is not healthy for your car, and taking your average mileage over a number of tanks will smooth out any inaccuracies of different top-off levels. A half-gallon difference in fuel used will make a significant difference in your mileage over a single tank, but be relatively inconsequential over after 10 fill-ups.
It's been documented that topping off your tank is not healthy for your car, and taking your average mileage over a number of tanks will smooth out any inaccuracies of different top-off levels. A half-gallon difference in fuel used will make a significant difference in your mileage over a single tank, but be relatively inconsequential over after 10 fill-ups.
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