Where has my mpg gone?
#1
Where has my mpg gone?
I bought a 2004 Civic EX coupe 5spd with 19,XXX miles approx 4 weeks ago. On my first three tanks I got 37mpg, 38mpg, 36mpg, now all of a sudden I an getting around 26mpg the last 3 tanks. My driving style has not changed at all--I even drive slower on the highway to see if it would go up. Anyone have any ideas what caused this all of a sudden? I fill up at the same Chevron everytime using 87 octane. Im driving to the exact same places and my tire pressure is fine. This is really crappy for a car only 2 years old.
Dave
Dave
#3
RE: Where has my mpg gone?
Chevron BAH.. use Shell Gas for best mileage.
Anywho..
maybe your fuel system needs to be treated.. buy a bottle of Marvel Mystery Oil (walmart) or GumOut Fuel Injector Cleaner and run that through a tank of 87 or 89. And also use a K&N drop in if necessary.
Anywho..
maybe your fuel system needs to be treated.. buy a bottle of Marvel Mystery Oil (walmart) or GumOut Fuel Injector Cleaner and run that through a tank of 87 or 89. And also use a K&N drop in if necessary.
#4
RE: Where has my mpg gone?
Id run Tire pressure at 33 all around.
Im running shell 87 all the time. I use MMO once a month and I run Royal Purple Synthetic Oil ..
almost 20k miles huh check your plugs too.. i just changed mine (bosch 2pt platinum)
Im running shell 87 all the time. I use MMO once a month and I run Royal Purple Synthetic Oil ..
almost 20k miles huh check your plugs too.. i just changed mine (bosch 2pt platinum)
#7
RE: Where has my mpg gone?
ORIGINAL: Proto05
The AC will hurt your MPG too
Since when is Shell the best gas? I thought gas was gas...
The AC will hurt your MPG too
Since when is Shell the best gas? I thought gas was gas...
if you didnt need your AC on when ya first bought the car and just now needing the AC im judging the AC is just killen the milage....
thats my EXs big gas killer
for instance.... i did a road trip when i got my rims.... on the way thier NO AC.. was cool enough out all the way 38MPG....
and on the way home it got hot 26 or 28mpg with the AC.
only difference was 4extra wheels in the car and the AC was on the whole time.
but what can ya do... ya need that AC
#8
RE: Where has my mpg gone?
No A/C for me---Im in Alaska and may only use it once or twice in the summer. I guess my defrost automatically turns the A/C on even though it doesnt light up the button. My owners manual says even after you switch if off defrost to a different setting the A/C will remain on without the light---how stupid is that
Dave
Dave
#9
RE: Where has my mpg gone?
hell i didnt know that!
my light always stays lit until i turn it off after i select defrost. but im always quick to turn it off when i dont need it.
if ya dont think ya need the AC you can always unplug the compressor see if that makes a difference.
my light always stays lit until i turn it off after i select defrost. but im always quick to turn it off when i dont need it.
if ya dont think ya need the AC you can always unplug the compressor see if that makes a difference.
#10
RE: Where has my mpg gone?
ORIGINAL: Scroder
No A/C for me---Im in Alaska and may only use it once or twice in the summer. I guess my defrost automatically turns the A/C on even though it doesnt light up the button. My owners manual says even after you switch if off defrost to a different setting the A/C will remain on without the light---how stupid is that
Dave
No A/C for me---Im in Alaska and may only use it once or twice in the summer. I guess my defrost automatically turns the A/C on even though it doesnt light up the button. My owners manual says even after you switch if off defrost to a different setting the A/C will remain on without the light---how stupid is that
Dave