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  #16  
Old 04-03-2011, 11:49 AM
Earlyboomer Earlyboomer is offline
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Default Re: Burning Gas (Better Gas Mileage?)

Everyone forgets about the O2 (oxygen) sensor. When they age they fail to the rich side and they will hurt the MPG. Another thing like some have already done is to get rid of the Ford OEM mufflers. I learned the hard way how restrictive they are. They are 2" pipes but they are swaged down to 1.5 inches inside to cut down on the noise, but they also cut into the MPG.
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  #17  
Old 04-03-2011, 11:53 AM
FireRanger FireRanger is offline
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Default Re: Burning Gas (Better Gas Mileage?)

Quote:
Originally Posted by bfree View Post
ive heard many rumors bout this and figured yall might know, would adding a bed cover do anything? some people say it can add 10-15% better fuel economy but i havent put one on and tested it, so what do yall think?
Some people are full of it. They don't add anything measurable to a ranger's fuel economy. Also remember, they also add weight. And they cost a good chunk of change too.
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How to: Aux light wiring, relays, & fuses
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  #18  
Old 04-03-2011, 11:00 PM
Kivlor Kivlor is offline
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Default Re: Burning Gas (Better Gas Mileage?)

Hey, I'm new to the forums, but this is a topic dear to me. I am pretty new to mechanic work, but I can tell you about my experience.

When I bought mine about 5 years ago, I was getting about 20 mpg in town, 23 on the highway. I had dipped down to about 18 in town, 20-21 highway over the last couple years.

Recently, I had a serious drop, caught it running at 13 mpg. After some debate about the problem, and an unwillingness to take it to a mechanic (I've caught every mechanic I've taken my truck to lying to me about several things, so I've taken up doing it all myself) I replaced the PCV valve and all 8 of my spark plugs as well as cleaning my throttle body.

After that project I was back up to 20 mpg as of today.
Want to clean the MAF but it appears the previous owner stripped one of the screws pretty bad, so I'll wait on it a bit.

PS I drive about 1100-1500 miles a month in my Ranger, so if anyone does have some extra tips for gas mileage, let me know.
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  #19  
Old 04-07-2011, 06:24 AM
HTR HTR is offline
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Default Re: Burning Gas (Better Gas Mileage?)

What about the different grades of fuel. The ranger I just bought has the 3.0L Flex engine. Anyone notice a signifigant differance when using 87oct Vs 93oct? If the flex really helps regardless of the fuel, I'll go with the cheeper 87oct unless someone has experianced different.

I put alot of miles on and need to pinch every mpg I can.
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  #20  
Old 04-07-2011, 06:40 AM
FireRanger FireRanger is offline
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Default Re: Burning Gas (Better Gas Mileage?)

Your engine is designed to run on 87 octane gasoline or E85 ethonol fuel. Nothing else. Higher octane gasoline will cause a reduction in performance, reduction in economy, and potentially foul the cylinders and plugs if used long term. Higher octane fuel is for higher compression performance engines that are designed to use it, which ours are not.

E85 sucks. It will reduce your MPG and it usually costs more. Its only advantage is that it isn't foreign oil gasoline.
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2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #21  
Old 04-07-2011, 04:08 PM
HTR HTR is offline
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Default Re: Burning Gas (Better Gas Mileage?)

I ran 89oct this last tank. I'm seeing the fuel gauge drop fast. I have a bad feeling your absolutely correct! I'll be using 87oct from here on out. I'm still curious to see what I get on this tank of 89oct, but I was getting 21 or so with the 87oct. Thanks for the info FireRanger.
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