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Old Jul 26, 2012 | 09:24 PM
  #1  
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ken1960
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fuel

took her in today to ck what could be wrong with fuel mileage , but they said could not find anything wrong . 13.5 mpg, now if i set it an drive on freeway at 65 i will get 16mpg
 
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Old Jul 27, 2012 | 05:55 AM
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RM2012F350
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From: Pleasants Co. WV
My mileage is down...

hovering around 15/16 mpg. Personally I think it's the fuel, still some winter mix floating around. I'v had a tank or two with 19/20 mpg but lately it's been down. I have been using Stanadyne and was thinking that was causing my low mileage. I use 10 oz per tank (37.5 gallon) I'm just not sure...
 
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Old Jul 27, 2012 | 06:36 AM
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I think the cetane boost from the Stanadyne would increase mileage.
 
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Old Jul 27, 2012 | 09:07 PM
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i think mind is getting stuck in regen cycle it has done that before , when the light comes on how long do you have to drive it before it is done cycleing
 
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Old Jul 28, 2012 | 03:18 AM
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Originally Posted by ken1960
i think mind is getting stuck in regen cycle it has done that before , when the light comes on how long do you have to drive it before it is done cycleing
What light are you asking about?
Do you have an Edge Insight CTS?

If you're asking about the message on the factory screen, then the only way to know is by looking at your instant MPG screen.
Know how that screen behaves on roads you travel.
If it's full bars at 55 MPH on a flat road, during regen it will show much less with the same speed.
When regen is done, it's back to normal.
The DPF will remain hot for another 3-5 minutes after AR depending on outsite temps and it will continue to burn off soot.
 
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