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Unread 07-20-2013, 08:14 PM   #1
kate69
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Join Date: Jul 2013
Location: Lachine, Québec
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Complete Newbie, 1st Jeep...need a little help please

Hello all, I am new to this forum as well as a 1st time vehicle owner. I have purchased my 1st Jeep Liberty Sport 4x4 2002 and must say I just love it.
I have heard of people using gas additives, so my question is: "When is it better to add this gas additive to the gas tank?" almost on empty or on full tank?
Does it really help with the mileage? I must admit what I have read on gas mileage is that it is not that good, around 14-15 mpg city and 18-20 mpg highway, yikes!! Any help on this or other ways to save on gas mileage would help alot. Thanks all

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Unread 07-20-2013, 08:41 PM   #2
95BadBoy
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That is about average for MPG's. I would skip most if not all of the gas additives. Maybe check all filters for condition, and the same for all fluids, if in doubt about any of them - good to error on the safe side and replace any that you might question.

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Unread 07-20-2013, 09:33 PM   #3
1coopgt
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2005 KJ Liberty 
 
Join Date: Nov 2011
Location: rochester, ny
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To answer your question . If you're going to add a fuel additive such as injector clear. You put it in when you fill the tank . You don't need to do it very often . Honestly I don't no if it helps fuel mileage. Because of the gearing these puppies suck gas big time.
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Unread 07-20-2013, 10:34 PM   #4
tjkj2002
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2002 KJ Liberty 
 
Join Date: Dec 2009
Location: Colorado
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Never add anymore fuel additives then what's already in the gas you pump in(which is a buttload these days) more then once a year.To much additives will fry your cat's fast.
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Unread 07-21-2013, 07:00 AM   #5
DaveJKJ
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2005 KJ Liberty 
 
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Quote:
Originally Posted by tjkj2002 View Post
Never add anymore fuel additives then what's already in the gas you pump in(which is a buttload these days) more then once a year.To much additives will fry your cat's fast.
Yeah, there's a lot of additives in gas. Once every 6 months shouldn't hurt anything though. Anything more than that is a waste of money probably though.



Quote:
Originally Posted by kate69 View Post
Hello all, I am new to this forum as well as a 1st time vehicle owner. I have purchased my 1st Jeep Liberty Sport 4x4 2002 and must say I just love it.
I have heard of people using gas additives, so my question is: "When is it better to add this gas additive to the gas tank?" almost on empty or on full tank?
Does it really help with the mileage? I must admit what I have read on gas mileage is that it is not that good, around 14-15 mpg city and 18-20 mpg highway, yikes!! Any help on this or other ways to save on gas mileage would help alot. Thanks all
Welcome to the forum.

The proper way to add an additive is when you get to the gas pump put it in the tank just before you put the gas in. Then pump the gas on top of it. Then the gas going in the tank will mix it better than if you put the gas in first and the additive on top of it. Do this before a road trip where you are going a couple hundred miles.

As far as gas mileage goes, you are not doing bad at all. The KJ is not aerodynamic, is higher off the ground than a car, and weighs 4,200 pounds. It's a Jeep and is made to get you wherever you want and back in the worst weather/snow storm as long as you have good tires. Additives won't magicly give you 5 more mpg or something. One good one is "Techron fuel system cleaner" if you really want to use an additive. Read the label. There is a lot of "fuel additive junk" out there.

Just my opinions anyway.

Enjoy your Jeep.
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Unread 07-22-2013, 07:29 PM   #6
kate69
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Join Date: Jul 2013
Location: Lachine, Québec
Posts: 2
Thank you all for all your advice and help, really appreciate it I am sure with time, I will have more questions considering it is my 1st vehicle ever. I will be sure to enjoy it. Thanks again!!
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