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6.7L Power Stroke Diesel 2011-current Ford Powerstroke 6.7 L turbo diesel engine

2011 Powerstroke big decrease in mileage

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Old Oct 24, 2011 | 11:07 AM
  #31  
FirstF350's Avatar
FirstF350
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Joined: Mar 2011
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From: Vancouver, WA.
To add input/info to my initial post…. I was a lot more conscientious about my driving habits this weekend.
<O</O
Whether this has absolutely anything to do with my situation, but this is what I observed.

<O</O
I know the glow-plug light (on the dash) doesn’t light-up when the truck is warm. I know that when the key is turned to the ‘on’ position that the gauges go through a zero to full-scale back to zero again.

<O</O
If the truck is started before the gauges get back to zero (me being in a hurry) the computer registered horrible mileage.

<O</O
When I slowed down and let the gauges do their thing, before starting the engine, the gas mileage displayed, was back up to where I would expect it.

<O</O
I can’t explain it. Maybe the computer needs to go through a check and when interrupted it “glitches” the gas mileage – OR – does it glitch the computer that displays the gas mileage (meaning the gas mileage really is “normal” but the computer is displaying it incorrectly low)?

Either way, when I slowed down while starting it, it gave me readings that I would expect.
<O</O

I’m just passing along info. that I noticed in my situation. As everyone knows, everyone’s situation is different.

Thank you.
 
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