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Sedans Chevrolet Malibu Chevrolet Malibu MPG-Real World Numbers
290 messages, Last post on Nov 30, 2009 at 6:59 PM
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Replying to: hcc (Jun 07, 2008 10:52 am) |
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We have a 07 Maxx LT with about 25K on it. The longer we have had this car, the better the miliage has been. When new, it was getting 28-29 on the highway. Now it gets 29-32. I have found that at 75mph, it get around 28-29mpg, but at 70-72 mph, I get the 31-32mpg. Around town miliage is to hard to calculate. It depends on what around town driving we do. But typically, we average around 35mph and 25-26mpg on a tank of gas with mixed driving. Plus we can haul as much crap as a small SUV 
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I've had my LTZ (6cyl/6spd) for one month. I've filled it four times and have gotten 27.6, 25.1,26.4,25.0 over this period. The 25.x tanks represent a roughly 50/50 mix of highway and city driving, the other two were mostly highway. Not bad; my Mazda6S is a 6cyl and gets less, and it's only got 220hp (still a great care though).
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I really like my 2005 LS. Nicest car I have ever owned. however, the one thing I do not like is the gas mileage. the computer info display says that I am getting 19.8 or 20.8 MPG. And it seems about right. I got this car with 19k on it in Jan 2007 it now has 28k on it. I just do some local driving. don;t use it for work. just for errands here and there. From all of the reading I am doing, MPG is the one thing that everyone loves about this car. could it be the fuel filter? the tires are inflated properly. I changed the air cleaner about a year ago so I know that is due. just wondering what the deal could be before I ask this loaded question to a mechanic and they start seeing $$ signs and suggest a tune up thanks for any input joe |
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Replying to: javon7065 (Jun 17, 2008 5:42 pm) 1. Find the true MPG over a period of time (miles passed divided by the fuel purchased), writing down and resetting the DIC reading (plus compare the distances with the odometer readings.) (I do the recording at every fillup, then compare the real MPG with the one DIC shows.) 2. Post the data on your average speed between the fill-ups. While you are not using the car for work, you may be stop-going excessively -- the average speed is some indication of your driving patterns. 3. If you haven't done so recently, dump a bottle of fuel cleaner into your tank during a fillup. You mentioned replacing the air filter: did it have any impact on the MPG? Is it a good filter? Was everything clean and clear in the area it covers? How about your oil? Changed well and often? My two 2005s (more economical than your LS, obviously), have roughly this regular pattern, usually (from the two last readings on one of them): tank-mpg 24.94 computer 26.1 speed 24 tank-mpg 26.93 computer 28.0 speed 25
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Replying to: au79en (Jun 17, 2008 5:37 pm) |
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Replying to: javon7065 (Jun 17, 2008 5:42 pm) no need for a tune up.....the first isnt due to 100K as I recall, but consult the owners manual... |
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Replying to: malexbu (Jun 18, 2008 6:22 pm) Oil changes are regular, always at the three month mark versus the 3k mark due to the limited use. I'll replace the air cleaner again. wasn't concerned about MPG when I changed it last year. what type of injector cleaner is recommended? I have never used any of that kind of stuff. |
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Replying to: javon7065 (Jun 19, 2008 5:57 am) Really no point in it now -- a filter should be changed every 24,000 miles. But you may want to check that the one you have installed is clean and sitting well. (Easy to to it yourself -- read the manual.) what type of injector cleaner is recommended? I have never used any of that kind of stuff. Hard to recommend with true knowledge: one can't look inside the engine and see the results after using one. I used various brands available at Autozone and the one thing I know, I didn't have negative consequences: Chevron, Valvoline, Gumout. You won't go wrong with Chevron. Also, try to use a good brand of gas: Shell, Mobil, Chevron -- at least most of the time. |
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2008 LTZ with 4 cyl and 6 speed on a 1000 mile roadtrip...34.2 mpg
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