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Old Feb 4, 2004 | 11:05 PM
  #1  
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MIKE1646
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Angry Mpg?

I'm only getting 10.8 mpg on my 03 nav. What are you guys getting?
 
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Old Feb 4, 2004 | 11:12 PM
  #2  
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tsdrallyer
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From: Texas, USA
Raise tire pressures 3-5 lbs over door sill sticker specs, check front end alignment, make sure your air filter is clean, avoid jack rabbit starts, don't let vehicle spend more than a minute idling in traffic, never let it idle to warm up the engine or interior on cold days, and change brands of gasoline. All of the above work to reduce consumption.

Running solo and empty, I get 17 on the road at top legal speed limits, around town it's 13.
 
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Old Feb 5, 2004 | 01:11 AM
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How many miles on the Nav? Less than 10k, the engine isn't fully broken-in, which impacts fuel consumption. Are you using the recommended grade (octane) of fuel? Using regular in a vehicle meant for premium will cause the engine timing to be retarded and negatively impact fuel consumption. Tsd has a good idea about switching fuel brands for awhile.
 
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Old Feb 5, 2004 | 09:31 AM
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10.5-11 city, 14.5-15 highway
 
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Old Feb 7, 2004 | 07:10 AM
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MIKE1646
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8000 miles and premium gas only
 
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Old Feb 7, 2004 | 10:27 AM
  #6  
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dmvguy
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From: Carson City, Nevada
12 mpg around town on newly acquired 98 Eddie B. with 111,000.
Hoping to get 15-17 on upcoming trip to Oregon Coast.

Treat them right and take care of them and they will take care of you and yours.





Red and Tan(49er colors), 5.4
has all options except DVD
 
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Old Feb 7, 2004 | 11:31 AM
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From: Poway, CA
15 mpg average, 87 octane, mostly Unocal 76 (never Arco)
 
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Old Feb 8, 2004 | 08:30 AM
  #8  
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I get about 13 combined hiway/city driving. I've checked it on long trips many times and I don't think I ever get more than 14-15 (but that's at 70-75 mph...may get a couple more if you drive 65 on hiway)
 
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Old Feb 8, 2004 | 10:33 AM
  #9  
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11 city 13 freeway
 
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Old Feb 8, 2004 | 01:37 PM
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Orlie
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98 EB 5.4 4X4 16 highway and 13 in town. 80000 miles.

later
Orlie
 
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Old Feb 8, 2004 | 02:02 PM
  #11  
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From: Patuxent River
14.5 city and Hwy Driving 1997 eb 4x4
 
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Old Feb 8, 2004 | 08:01 PM
  #12  
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From: Florida
If you are looking at the average mpg on the trip computer and have not reset it in awhile, try that. On my Expy, I press mode and e/m.
 
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Old Feb 9, 2004 | 07:42 AM
  #13  
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From: Port St. Lucie, FL
~14 City and over 18 on Hwy.

Calculated by hand.
 
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Old Feb 9, 2004 | 08:37 AM
  #14  
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From: Grande Pradera, TX
14-16 city, depends on how i drive.
17-19 hwy

03 EB, 5.4L, just over 15000 on the clock with regular unleaded, 87 octane. shell or texaco. everything is stock.
 
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Old Feb 9, 2004 | 09:56 AM
  #15  
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From: TN
Wife is getting high 13's with her 99 Expy and 118,000 miles - according to the computer, as I can't convince her to keep records by hand yet

I changed out 4 of the plugs this weekend and they were pretty bad off, hoping once I get the other 4 changed mileage will go up some
 
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