Bad fuel? Other items
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Cargo Master
Joined: Jul 2008
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Bad fuel? Other items
I came back home from my dads place last night and filled up right before I hit the highway. I re-set my trip B and MPG with every fill-up. In past trips on the same stretch of road I have been up closer to 18mpg after I fill up. This past trip I was barely hitting 16 (based on the lie-o-meter). The gas station I stopped at was a Speedway, which I have never been to (that specific one, my regular fuel stop is a speedway next to the office = big truck stop and best fuel around). My meter generally reads lower than my calculated mpg, about .7 or .8 mpg difference last time. If that is the case right now I am 1mpg off, at least, from what I have been.
Most of the time when I hit the highway my mpg's are great. Daily driving I'm around 16, but this past trip was weird.
Also just curious how often I should drain the water/fuel separator? I haven't done it yet and I am at 3600 miles. Coming up on an oil change too. I might send in a sample to blackstone. What are my higher-end oil options?
Most of the time when I hit the highway my mpg's are great. Daily driving I'm around 16, but this past trip was weird.
Also just curious how often I should drain the water/fuel separator? I haven't done it yet and I am at 3600 miles. Coming up on an oil change too. I might send in a sample to blackstone. What are my higher-end oil options?
Super Moderator
Joined: Aug 2008
Posts: 37,379
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From: Frederick, MD
Sounds like some low cetane fuel to me.
You should drain your fuel/water separator monthly. Might want to get under there esecially now and check for water.
Not an expert on oil, I use the motorcraft stuff and according to my blackstone reports it is holding up just fine. I suppose Ohio is just right at the line where you might consider a change because of the colder temps in the mornings.
You should drain your fuel/water separator monthly. Might want to get under there esecially now and check for water.
Not an expert on oil, I use the motorcraft stuff and according to my blackstone reports it is holding up just fine. I suppose Ohio is just right at the line where you might consider a change because of the colder temps in the mornings.
Senior User
Joined: Feb 2008
Posts: 104
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From: Fayette County GA
Were you driving the same speed as you usually do? I just drove from ATL to Port Canaveral, FL. Drove around 80mph down and got 14.7mpg. On the way back I was not in as big a hurry and drove around 70mph and got 18.0mpg. I have read on here to slow down and that will help mpg but didn't realize how big a difference 10mph made.
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