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Better Gas Mileage?



25 mpg or that you go wot every time you touch the gas?

seriously had it with GP owners claiming they're "hard on their cars" then get amazing fuel economy.

Just doesn't happen.
 
matt5112 said:
and most of it wont do anything.

Use seafoam or STP complete system cleaner or best of all: GM fuel system cleaner.
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If you don't want to pay 20 some bucsk for GM fuel system cleaner Techron Fuel System Cleaner made by Chevron has almost the exact same chemicals in it. Its like 12 bucks
 


Damn I feel bad. I get a little better than 200 miles a tank city and 350 on the highway. I am running slightly shorter tires and cooler tstat. I'm about to swap back to a stock Tatar and correct size tires. I used to pull 30+ on the highway, now I'm around 27 the last time I was on the highway.
 
It'll help some I'm sure, the little stuff I've done to take my MPGs down add up so I'll do some stuff to bring it back. Plugs and fuel filter as well.
 


99PontiacGTP said:
Not sure why mine is not 17-18 gallons. From E, it takes around 13 gallons to fill up.... and that is fillng it after several "clicks" off.
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all gauges are a bit different car to car. but also keep this in mind, when the low fuel light comes on, you should have 100 miles of travel left in the tank, so there's 3 or 4 gallons right there in the bottom of the tank.

ive also noticed in my regal it only takes 13 to 14 gallons to fill it up from E.
 
Adidasdude1989 said:
Maybe different sub models the tank size is different? Possible?
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scottydoggs said:
all gauges are a bit different car to car. but also keep this in mind, when the low fuel light comes on, you should have 100 miles of travel left in the tank, so there's 3 or 4 gallons right there in the bottom of the tank.

ive also noticed in my regal it only takes 13 to 14 gallons to fill it up from E.
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i thought i just cleared this up.

every car has a reserve of 100 miles in the tank when the light comes on, thus leaving at least 3 to 4 gallons in the tank when the light comes on. 4 + 13 = 17 last time i checked. we all have a 17 gallon tank. plus the fuel lines and filler neck.
 


Fuel level senders are simply a potentiometer connected to a float. They never have been very accurate. A better way to check distance left to empty is to always reset the trip meter every fuel up.

On the highway I can get well over 400 miles on a tank without using more than 16 gallons.


Tapadatass
 
scottydoggs said:
i thought i just cleared this up.

every car has a reserve of 100 miles in the tank when the light comes on, thus leaving at least 3 to 4 gallons in the tank when the light comes on. 4 + 13 = 17 last time i checked. we all have a 17 gallon tank. plus the fuel lines and filler neck.
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Well then i guess i should stop freaking out in a middle of a drive when my low fuel light comes on. I know the most ive ran before putting gas in was about 317. I always assumed it was 13.5 gallons because of filling up after 317 miles and it would stop around 13 gallons. I usually avoid the low fuel light and under the quarter of a tank line is when i put a little bit back in to over at least half a tank.

indygrandprix said:
If you don't want to pay 20 some bucsk for GM fuel system cleaner Techron Fuel System Cleaner made by Chevron has almost the exact same chemicals in it. Its like 12 bucks
Click to expand...
I did get some Pro-Gard fuel injector cleaner with techron additive for about $5
 
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