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3rd Gen Durango 2011 models

Switching Octane

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Old 05-03-2013, 11:11 PM
dwolson2 dwolson2 is offline
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Default Switching Octane

Has anyone ever had issues with their D starting after filling with a different octane? I put about 3/4 tank of 91 premium(mixed with the 1/4 tank of regular left over) in about 50 miles ago and it didn't want to start for me when we left today. Nothing else has changed, other than it is hot and dry here. There are some wildfires burning in the city next to us, but the filter looks clean(possibly ash) Any suggestions? No point in bringing it to a dealer because i didn't let it get to the point of throwing a trouble code(I hit the button again and let off of the brake to stop it)
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Old 05-03-2013, 11:16 PM
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Octane should have not given you any issues. Bad gas however can. Start a log if it happens again. Like engine hot, cold, parked on hill ect.
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Old 05-03-2013, 11:22 PM
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Yea I plan on doing that. I got gas on a military base(which are known for bad gas, but I do it anyway cause I'm cheap) I'll watch it, and if it goes away I'll know its from the gas. I did switch the octane once before without any problems, but that wasn't the same ration(more like 50/50. I figure I am better off to ask and see if anyone had the problem.
Oh also, It was parked in my garage when this happened.
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Old 05-04-2013, 06:14 PM
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I put all 3 grades (87, 89,93) in my 11 Crew V6 and have no problems. I do see a difference in performance though and it sounds better when im using 89 and 93. No problems with starting though. Use Lucas fuel system cleaner (Clear bottle with green top) and an octane booster to clean it up. It works. I use BP, Sunoco, Hess, Wawa and other big companies i try to stay away from the small companies
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Old 05-04-2013, 06:41 PM
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My only other thought is my hid ballast is close to my ecm. Maybe interference? Tpms light came on for a split second today. I may put the factory bulbs back in. I do Like the hid's though.
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Old 05-04-2013, 06:44 PM
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Has anyone used e85 in their Durango? I see they finally put one of these pumps by my house and was curious if anyone has used it and if you've seen any changes when using it? Can you mix reg unleaded with e85?
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Old 05-04-2013, 06:52 PM
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Idk about the d, but my subaru could handle about 40-50% mix
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Old 05-04-2013, 11:24 PM
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Do Not Use E85! It will both cause performance problems and destroy your emissions systems. Engines designed for E85 have different equipment, Everything from fuel injectors to erg, o2 sensors and cat converters. Plus E85 eats Magnesium, aluminum and rubber. What your current fuel system is made up of.
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Old 05-05-2013, 02:21 AM
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My 2013 Durango is designed to use e85 or 87, on the gas cap it has e85/gasoline, i just wondered if anyone has use the e85
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Old 05-05-2013, 03:56 AM
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Do not use E85. Everywhere you look on window stickers E85 ends up costing you MORE. Your milage will drop so the cost effectiveness is gone when you are buying more fuel.

Fuel economy.gov lists the 2013 Durango 3.6L at:
Gas: 16 City 19 Combined 23 Highway - Annual cost: $2800
E85: 12 City 14 combined 17 Highway - Annual cost: $3400


Changing fuel grade would not have caused the problem for the OP. I am suddenly having issues like you mentioned as well with my 2011. Taking it in Monday and see what the dealer says.
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Old 05-05-2013, 11:15 AM
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E85 is among the most idiotic ideas ever - along with any ethanol-based fuels. With millions of people starving in the world and more malnourished, we are burning FOOD in our cars. And why? To line the pockets of those who are profiting from the "carbon credit" scam. And who pays for it? Taxpayers do - in ethanol subsidies and in the increased cost of fuel we buy. If God had meant for man to burn ethanol in cars, He'd have designed people so that corn was inedible...



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Old 05-05-2013, 05:27 PM
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Well there are 2 types of corn. Sweet and field. Which do they use for the fuel? My guess is field as there is a bunch of it around. My guess though. Have you ever tried eating field corn? Its bad. You can make itbearable by soaking it in sugar water, but its still nasty.
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Old 05-05-2013, 06:37 PM
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My '12 5.7 citadel doesn't say on the gas cap so I'm guessing not. I'm actually getting better mileage with 87 vs 89 buti just got my D and it had 16k on it.
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Old 05-05-2013, 07:01 PM
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I use e85 during the summer months..the gas mileage difference isn't as drastic that way..It seems to run a little better on it (imho)..It's always 40-50 cents cheaper/gal here..The Ds were designed for it so why not take advantage of saving a few $? The real world diffences between it and reg gas are not as different as the guides make it seem..
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Old 05-05-2013, 07:26 PM
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How do I know if I can run it in my '12 5.7? I have that eco thing but not sure what to check?
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Old 05-05-2013, 08:01 PM
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mine said it on my gas cap
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Old 05-05-2013, 08:09 PM
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Only the v6 can run e85..yellow gas cap is the tell
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Old 05-05-2013, 08:39 PM
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I'll put the yellow cap from my wife's '13 Journey on it then. Lol. I wouldn't use it anyway, I prefer performance.
Has anyone tried 90 octane Marine fuel? I used to put it in my boat and it's just 90 octane unleaded gas with no ethanol.
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Old 05-05-2013, 09:10 PM
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E85 has better performance than gas. It's octane rating is like 107. It just takes more fuel to make more power. It's weird, but you will gain performance but loose mpg with e85. My old range stated in the service manual 10hp gains with e85. I've seen subaru guys jump 50hp on e85. It just takes more volume.
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Old 05-05-2013, 09:25 PM
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I've read several articles about ethanol blended gas and if you take the same amount of gas with the same octane.... With And without ethanol, the non ethanol fuel will have more "energy" so it detonates with more force which would mean The non ethanol should give more hp. Only question is, without a tune, would it help or hurt by using non ethanol fuel.

Wanted to clarify...e85 is rated at 105 octane so the higher octane would give more hp if tuned for it. My question is mainly 91 with 10% ethanol vs 91 non ethanol in my D.

Last edited by phoneguy589; 05-05-2013 at 09:43 PM..
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Old 05-05-2013, 09:25 PM
 
 
 
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