I get 200 miles to the tank, city driving. < 20mpg no matter what I do. Summer or winter. Supercharger eade no real difference up or down. Once the SCt chips are out, we'll see if a few larger MAF, larger injectors and a custom chip can dn better&
seriously bad gas milage
JeffN
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2,908 Posts
who is having this issue and has a header replaced or aftermarket of any sort. i am thinking mayby there is an exhaust leak before the o2 making the puter think the car is running lean and making it rich to compinsate.
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Blended gasoline will equal a few miles less per tank.
If I drive highway w/some local driving I can get around 33 mpg.
If I drive to/from work every day w/no highway driving, and this is local w/stops and about 10 miles total, I get less than 20 mpg and it will get worse w/blended gas. This is because the car never really has a chance to warmup to a good operating temperature. In addition, this means that the oil & filter should be changed more often because this is considered to be in the area of severe driving conditions.
If I do mostly local driving, let's say 20-40 miles a day I get about 24 mpg.
Temperature (outside and/or engine thermostat), blended gasoline, frequency of stop/start all affect mpg.
Just wait and see if fuel prices really spike up at least 40-cents a gallon because, supposedly, the blended gas is not only expensive to make, but they're going to use gasahol (corn derivative) as opposed to methanol (MTBE) or ethanol (ETBE); $2.39 for a gallon? Fuel is already $1.89/gal. here.
If I drive highway w/some local driving I can get around 33 mpg.
If I drive to/from work every day w/no highway driving, and this is local w/stops and about 10 miles total, I get less than 20 mpg and it will get worse w/blended gas. This is because the car never really has a chance to warmup to a good operating temperature. In addition, this means that the oil & filter should be changed more often because this is considered to be in the area of severe driving conditions.
If I do mostly local driving, let's say 20-40 miles a day I get about 24 mpg.
Temperature (outside and/or engine thermostat), blended gasoline, frequency of stop/start all affect mpg.
Just wait and see if fuel prices really spike up at least 40-cents a gallon because, supposedly, the blended gas is not only expensive to make, but they're going to use gasahol (corn derivative) as opposed to methanol (MTBE) or ethanol (ETBE); $2.39 for a gallon? Fuel is already $1.89/gal. here.
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2,908 Posts
went drag racing today
i check my tire pressure it was 26psi. mayby thats why my milage sucks!?
i check my tire pressure it was 26psi. mayby thats why my milage sucks!?
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5,129 Posts
Yeah that's kinda low. But even that shouldn't prevent you from getting good mileage that severly.
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so, i inflated my tires and reset the ecu to my tire size
i found nothing wrong other then that. only the one codefor no egr.
i found nothing wrong other then that. only the one codefor no egr.
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965 Posts
I read somewhere the Focus retards timing when the code for no EGR is thrown, could that cause the decrease in mileage? Also how heavy are your new rims and tires compared to stock? Heavy rims and tires will cut into MPG as well but probably not the dramatic drop you're seeing.
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2,908 Posts
my gas light went on today
i filled up
10.628 gallons 192.2 miles
18.08 mpg 11/3/03
i filled up
10.628 gallons 192.2 miles
18.08 mpg 11/3/03
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5,129 Posts
And that my friend is yet another example of horrible gas mileage from a Focus. Join the club.
I was getting crappy mileage until I changed the upper O2 sensor. I have a cheater on the lower sensor. It may also be bad, but with the cheater it won't read that. My mileage has gone up signifigantly since the change. I have over 50k so it was time, and larger injectors and whatnot had probably fouled it a long time ago.
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2,908 Posts
the 02 was switching fine and reading the right values
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2,908 Posts
omg its gets better, or umm i mean worse
11.351 gallons 198.8 miles
17.51 mpg
![Image]()
11.351 gallons 198.8 miles
17.51 mpg
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2,908 Posts
i wish my 1/4 time was this easy to lower!
![Image]()
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378 Posts
yeah, ive been getting <20 mps in my SVT for quite a while now. this is bothersome.
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2,908 Posts
mayb northern il just has some super crappy gas. ima go back tyo stock this weekend and see what happens
then i am gona trad cars with my dad for one whole tank of gas. see if it is driving style
then i am gona trad cars with my dad for one whole tank of gas. see if it is driving style
Its not just up North let me tell ya!
I live in Florida but I am from Ohio.
I usually get around 240 to 260 a tank,that is until the light comes on.
Also be sure to use the 5w20 oil that Ford calls for.
They did it for a reason,and that reason is gas mileage.
I live in Florida but I am from Ohio.
I usually get around 240 to 260 a tank,that is until the light comes on.
Also be sure to use the 5w20 oil that Ford calls for.
They did it for a reason,and that reason is gas mileage.
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