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  #13  
Old 10-03-2011, 10:55 PM
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Re: EVIC Gas Mileage Accuracy

My EVIC (for my v6 laredo x @ 2,xxx miles) has been spot on; for both daily commutes (weekly fill up) and for long day trips (Det to Chi, 600 round trip).
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  #14  
Old 10-04-2011, 08:00 AM
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Re: EVIC Gas Mileage Accuracy

Mine is also off by 1.5 to 2 mpg, it's been like that since I bought it.
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  #15  
Old 10-04-2011, 10:24 AM
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Re: EVIC Gas Mileage Accuracy

Mine is pretty accurate.
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  #16  
Old 10-24-2011, 10:37 AM
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Re: EVIC Gas Mileage Accuracy

Just filled up EVIC read 16.5, but my calculation with miles driven and gas used came to 14.7, two mpg off. This was about 50/50 highway suburban driving. My EVIC is never right.
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Old 04-18-2012, 04:10 PM
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Re: EVIC Gas Mileage Accuracy

anyone have the TSB number on the EVIC fuel mileage issue - mine is way off....actual is about 90% of what is shown on the EVIC.

THanks
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Old 04-18-2012, 04:14 PM
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Re: EVIC Gas Mileage Accuracy

Quote:
Originally Posted by andyh View Post
My EVIC is money. Never more than a couple tenths off.

same here majority of the time.
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Old 04-19-2012, 01:40 AM
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Re: EVIC Gas Mileage Accuracy

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Originally Posted by Parks311 View Post
Seems like a software thing to me because it will also sometimes default to the TPMS display when I hit the back button from the fuel economy screen rather than the main menu.
Hah! This is off topic, but mine has done that on me twice, except from the "Vehicle Info" screens. I thought it was some kind of shortcut that I triggered accidentally, and I spent about 5 minutes stuck in traffic trying to get it to do it again.
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Old 04-19-2012, 05:40 AM
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Re: EVIC Gas Mileage Accuracy

So are you guys resetting the average MPG when you fill up at the pump? Sorry, I had to ask.
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  #21  
Old 04-19-2012, 06:35 AM
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Re: EVIC Gas Mileage Accuracy

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Originally Posted by avalys View Post
Hah! This is off topic, but mine has done that on me twice, except from the "Vehicle Info" screens. I thought it was some kind of shortcut that I triggered accidentally, and I spent about 5 minutes stuck in traffic trying to get it to do it again.
Mine does this also, bit of a glitch in the software i think.
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  #22  
Old 04-19-2012, 06:39 AM
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Re: EVIC Gas Mileage Accuracy

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Originally Posted by 77Cherokee View Post
Around here the pumps are checked for accuracy on a regular basis by the government's Division of Weights and Measures.
One of many reasons for the high taxes here in NY.
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  #23  
Old 04-19-2012, 06:40 AM
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Quote:
Originally Posted by 2012 Summit View Post
So are you guys resetting the average MPG when you fill up at the pump? Sorry, I had to ask.
I do...not sure if it is right?? I just figure driving conditions and whatnot change from tank to tank. Can't rely on the evic though, on a highway test I tried, it told me I was getting 28 mpg when I drove approx 200 miles with a very light foot..stuff like that averages into the evic calculation

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  #24  
Old 04-19-2012, 06:53 AM
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Re: EVIC Gas Mileage Accuracy

I've been logging mileage over the last 2K miles - comparing the cumulative MPG reported by the EVIC and actual computed cumulative MPG. Not a great match:

Code:
Date	        Miles	    EVIC	Actual
02/22/12	400.0	    20.6	20.55
03/10/12	195.0	    17.3	18.62
03/14/12	380.0	    19.0	18.65
03/23/12	224.0	    17.4	18.13
04/02/12	234.0	    16.9	17.79
04/14/12	291.0	    17.0	17.60
04/15/12	426.0	    22.0	18.28
My driving pattern is like 100% city, interspersed with infrequent highway trips. Those last 426 miles were 100% highway, which had the EVIC reporting 23 MPG for a bit...
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