Poor gas mileage

[tomme12]

I only used 89 for the first month but then from someone's mentioning on this forum switched to 90 ethanol free and the truck runs totally different. It's honestly incredible the difference.

When you say runs totally different in which way?

 

[Bigbags85]

In my last 2 fill ups I've gained 2mpg (and that is with remote starting). It runs smoother, quieter, and goes into eco mode way more than it ever did before (I drive the same way to work and home every day). It was immediately noticeable. I can actually hear the mds kicking on and off now if my stereo is low enough. And sometimes it doesn't even shut mds off going up small hills where before the truck would almost never go into eco (and I use cruise all the time).

 

[theblet]

In my last 2 fill ups I've gained 2mpg (and that is with remote starting). It runs smoother, quieter, and goes into eco mode way more than it ever did before (I drive the same way to work and home every day). It was immediately noticeable. I can actually hear the mds kicking on and off now if my stereo is low enough. And sometimes it doesn't even shut mds off going up small hills where before the truck would almost never go into eco (and I use cruise all the time).

Everything runs better without ethanol in it, and you’re making more power. Makes sense that mds will hold for longer.

 

[KWKSLVR]

What gas stations sell this stuff? I don't think I've ever seen it.

 

[ferraiolo1]

Everything runs better without ethanol in it, and you’re making more power. Makes sense that mds will hold for longer.

You can actually make more power with ethanol. But your mpg does suffer a bit.


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[GR1MREAPER]

A while back didnt some people figure out that ram was sending a lighter 2x4 less optioned truck with 3.21 gears for fuel mileage certification and then putting that number on basically all their half tons? Here is a pic of a 22 bighorn 2x4 with smaller lighter tires and way less options vs a 22 ram Rebel with heavy off-road tires and 4x4 and it actually says the rebel gets better mpg then the bighorn lol..

 

[MO Rebel]

A while back didnt some people figure out that ram was sending a lighter 2x4 less optioned truck with 3.21 gears for fuel mileage certification and then putting that number on basically all their half tons? Here is a pic of a 22 bighorn 2x4 with smaller lighter tires and way less options vs a 22 ram Rebel with heavy off-road tires and 4x4 and it actually says the rebel gets better mpg then the bighorn lol..

I believe that’s about the normal difference between eTorque and non eTorque. When I ordered my Rebel it was 18/22/19c for eTorque and 15/21/17c for non eTorque.

If I get 17 combined, I’ll be a happy camper. Expecting closer to 15.

 

[Bigbags85]

What gas stations sell this stuff? I don't think I've ever seen it.

Certain Speedways, Delta sonics, Quik Fills, and Fastracs near me have it. I think most marinas will have it as well (at least in WNY). there should be a website where you can lookup gas stations in your area that have it.

 

[ferraiolo1]

“Pure gas” app. And it’s usually labeled recreational fuel


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[theblet]

Murphy USA started selling non ethanol gas at all the pumps.

 

[KWKSLVR]

So what are potential issues with non-ethanol? I have a Murphy right down the road but I've always avoided it because I assume it isn't top tier. I started doing some research on it but didn't get very far. Busy day.

 

[Idahoktm]

So what are potential issues with non-ethanol? I have a Murphy right down the road but I've always avoided it because I assume it isn't top tier. I started doing some research on it but didn't get very far. Busy day.

Zero issues with non-ethanol other than being very expensive. The increase in mileage will not offset the additional expense. My dirt bike runs better with it, but it's only 2.5 gallons at a time, so the extra expense is well worth it to me. I haven't tried it in my truck, and I doubt I will.

 

[IvoryHemi]

So what are potential issues with non-ethanol?

None

 

[kapinallinen2]

So what are potential issues with non-ethanol? I have a Murphy right down the road but I've always avoided it because I assume it isn't top tier. I started doing some research on it but didn't get very far. Busy day.

None. It`s back to running on real gasoline, like whole milk vs. 2%.

 

[KWKSLVR]

Zero issues with non-ethanol other than being very expensive. The increase in mileage will not offset the additional expense. My dirt bike runs better with it, but it's only 2.5 gallons at a time, so the extra expense is well worth it to me. I haven't tried it in my truck, and I doubt I will.

I get the rate of return on your mileage being poor but does it help with engine longevity? Fewer fuel filter changes? Anything like that?

 

[Bigbags85]

I get the rate of return on your mileage being poor but does it help with engine longevity? Fewer fuel filter changes? Anything like that?

Considering on how long things last nowadays it'd probably hard to tell. Ethanol is worse for certain materials (as far as breaking them down). It's definitely worse for small engines (like lawn equipment). It'd be interesting to learn if there were any differences long term but we'd probably never be able to get accurate info. I am not going to switch back to ethanol though because the truck honestly felt (and continues to feel) like a totally different vehicle once I made the switch. My other car is recommended to use premium only and when I deviated from that once just to try it it ran like ****.

 

[Idahoktm]

I get the rate of return on your mileage being poor but does it help with engine longevity? Fewer fuel filter changes? Anything like that?

I haven't read about any of those. Living in a lake city, I know the boat guys like it because of the problem with ethanol absorbing water. I've heard that ethanol can break down rubber fuel lines in older vehicles, but I've never experienced that issue myself.

 

[ferraiolo1]

Ethanol has been in our fuel for almost 20 years now. Anything made after 2000 has the materials to withstand it. Especially our modern trucks. A decade is enough time to learn “long term affects”

I noticed zero difference when running e free 90. Or e88. I can get both at my local station. Excerpt e88 is almost $2 cheaper a gallon.


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[asgadf/lkjnadsfg]

. Excerpt e88 is almost $2 cheaper a gallon.

WOW! Non-ethanol at the station I use is 87 octane and is maybe 30 cents more expensive than the ethanol blend. I suddenly feel rich.

 

[theblet]

non ethanol fuel is normally better for boats, mowers, atvs, etc. older vehicles can’t run ethanol because the engine seals and hoses aren’t made for it. I’ve found every vehicle runs better without ethanol