HIWAY MILEAGE
#12
I must need help! I purchased 2007 new in June. I have been averaging about 13 mpg[img]smileys/smiley19.gif[/img](the computer says 16mpg.. but I check my milage and gallons at every fill up.) I have 5,000 on the car now.I do mostly city driving. I try not to leave the engine on when in the carpool lines at schools due to this problem. The engine seems to idle a bit high, and pulls more from a stop without touching the accelrator more than I like.
#13
A lot of stop and go will knock the crap out of the mileage with these. Our congestion around here isn't too bad, but if I spend all my time on surface streets during busy times, mine will show about 18mpg on the computer. (And actually be lower when figured manually.)
Another thing to keep in mind, your mileage should increase as the engine gets broken in. It's common for your gas mileage to improve throughout the first 10,000 miles or so.
I'm not sure what to tell you about the high idle. It should be computer controlled.
Another thing to keep in mind, your mileage should increase as the engine gets broken in. It's common for your gas mileage to improve throughout the first 10,000 miles or so.
I'm not sure what to tell you about the high idle. It should be computer controlled.
#14
</>i went back to the big ride again - town car - getting on the digi dash showing 24.5 around town driving stop & go all time.. that marquis was horribile sucked on gas mileage. couldnt figure that one out though.
my mom's MGM gets like the TC and figured mine would too. glad i finallly got a ride that DOES get mileage good and rides sweeeet[img]smileys/smiley2.gif[/img]Edited by: 20marquis07
#15
Originally Posted by MidnightBlue
I must need help! I purchased 2007 new in June. I have been averaging about 13 mpg[img]smileys/smiley19.gif[/img](the computer says 16mpg.. but I check my milage and gallons at every fill up.) I have 5,000 on the car now.I do mostly city driving. I try not to leave the engine on when in the carpool lines at schools due to this problem. The engine seems to idle a bit high, and pulls more from a stop without touching the accelrator more than I like.
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The idle does sound high. Have it checked. Its under warrenty. It should not "pull" from a stop but just ease forward very gently on level ground. I don't know how you define city driving but if you are really in a stop and go situation, 16 - 18 might be about right.
Also never count on a single tankful.That is too small a test for the possible variation. Fill up until the pump cuts off itself.....don't you top it off. Drive at least 600 miles, noting any gas you add in between, thenfill again at the same pump the same way for the final check.
#16
I just bought a 02 LS with 51k miles put on about 300 miles all around town and some hills - getting 20-22 mpg. I am happy. Can''''t wait to take it on a long trip to enjoy the great ride. Edited by: mackdaddy57
#17
I get 26 all highway. Get 17 in city and highway combined. The a/c is always on in the automatic position. Its a 05 C.V. LX
Since the state of Florida is putting corn juice in their gas [10% Ethanol] mileage has dropped a bit. Don''t see it running any different though.
If your State is putting in 10% or more of Ethanol you will get less mileage then other States not using Ethanol.
Somehow they stuck the Ethanol in very quietly and I couldn''t figure out why all of a sudden I was burning more fuel. Then I noticed a small sticker on the gas pumps saying this gas contains 10% Ethanol. I have also heard [but not confirmed] that some stations are using more then 10% Ethanol in their fuel.
Since the state of Florida is putting corn juice in their gas [10% Ethanol] mileage has dropped a bit. Don''t see it running any different though.
If your State is putting in 10% or more of Ethanol you will get less mileage then other States not using Ethanol.
Somehow they stuck the Ethanol in very quietly and I couldn''t figure out why all of a sudden I was burning more fuel. Then I noticed a small sticker on the gas pumps saying this gas contains 10% Ethanol. I have also heard [but not confirmed] that some stations are using more then 10% Ethanol in their fuel.
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