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Sedans Chevrolet Malibu Chevrolet Malibu MPG-Real World Numbers
292 messages, Last post on Dec 03, 2009 at 8:24 AM
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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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Replying to: tsgrayson (Jun 20, 2008 1:44 pm) May: 36.6 mpg one way (empty) 36.8 mpg back (fully loaded) (by the fuel purchased). |
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Replying to: javon7065 (Jun 19, 2008 5:57 am)
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Replying to: csandste (Jun 21, 2008 11:19 am) thanks for your reply
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Replying to: javon7065 (Jun 21, 2008 2:08 pm) How much one exceeds the oil change interval is a personal choice (some posters at forums here claim there is nothing wrong in going 12-15 K miles between *synthetic* oil changes -- and this is also what Mobil says about its MobilOne syntheitc oils), but changing oil more frequently than the manual says (and it, basically, states, "Trust the oil monitor"), is not only an unnecessary expense for you, it's polluting environment without a reason. |
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