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Sedans Chevrolet Impala Chevrolet Impala Real World MPG
117 messages, Last post on Apr 15, 2009 at 11:28 AM
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Replying to: pulgo (Nov 28, 2007 8:12 am) I've found this to be true on a 2009 Impala LS. It says I got 25.3 mpg, but upon checking (miles vrs gas used) it comes out to 22.9. That too me is a huge difference. This is the second fill up in a row I have tested it and they both came back the same - way off.
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Replying to: hawkman (Mar 28, 2009 2:28 pm) I have tracked my mileage since I bought my car over three years ago. I am always within a 1 or 2 mpg from the indicated amount...but less than 1 mpg difference 95% of the time. The computer in my car is extremely accurate and given the variances that I am forced to deal with, it may be more accurate than I am capable of being. |
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Replying to: hawkman (Mar 28, 2009 2:28 pm) I have found when filling up that regardless of what gas station I use, the pump shuts off about 2 gallons early. Meaning, I can usually put 2 more gallons in after the pump first shuts off. |
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 My 01 Imp LS mileage has dropped from the early 28-32 mpg to 22-24 mpg now at 255,000 miles. Otherwise the car looks and drives great. I have been completely satisfied with this car. The only non routine work on this car has been replacing cat twice, one wheel sensor, one coolant level sensor, the radiator and then the motor mounts at 225,000 miles. The fuel gauge hasn't worked since 110,000 miles, but I got used to tracking the miles on the trip odometer. I use Mobil 1 at 3,000-5,000 change intervals, do the transmission flushes and fuel system cleaners as recommended and that's about it. Oh and the last set of Michelins on this car went 114,000 miles. GM does build good cars!
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Replying to: txguy (Apr 14, 2009 10:41 am)
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Replying to: highmiler650 (Apr 14, 2009 10:54 am) They are such a pain to change.
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Replying to: txguy (Apr 14, 2009 10:59 am) The reason is that although they might survive much longer periods working as intended, they are notoriously difficult to remove after many years. Even when installed properly with a bit of anti seize compound they are a pain to remove without causing damage. I always get new plugs at around $ 2 per plug (platinum) so the investment is really not much. Lastly, your car is paid for and anything requiring fixing is going to be much cheaper than 3 to 5 years of monthly payments, especially in these tough times. |
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Wow, where are you finding platinum plugs for only $2.00 per plug?!?! The cheapest I can find Delco ones is $6.00 per plug. I won't put anything else in my 'Pala. At 255k, have you had to replace your upper intake manifold yet?
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Replying to: gar_fanatic (Apr 15, 2009 7:57 am)
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Replying to: gar_fanatic (Apr 15, 2009 7:57 am) |
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