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Discussion Starter · #1 ·
Hey guys,
I am new to this site, but have owned a couple of wranglers, and a liberty.
I have a question I just bought a 90 yj 4banger thinking this would be cheaper on gas and still fun. Well this thing needs it's own oil well.
I am getting about 4 miles to the gallon, at first I thought I had a fuel leak but I checked that out and everything is dry, (including the inside of tank:banghead:) Jeep doesn't run rough and idles fine. Any ideas?
 

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Discussion Starter · #4 ·
yes it has a 3" lift I am running 31 at's it had 33mudders but I want to pull my bass boat eventually with it the brakes aren't sticking just been replaced. The tires have nitrogen in them the pressure is fine brand new
 

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Seriously 4 MPG or just exaggerating?

I will tell you from personal experience, a 4-banger YJ is not going to get much (if any) better gas mileage than the straight six. I've owned both and they're pretty much the same gas guzzling brick on wheels.
 

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How are you figuring you mpg? Are you using the odomiter in tbd jeep? If so don't, its probaly not right, use a gps. Next look at your o2 sensor, I was getting 9mpg with my 6 changed o2 sensor and back to 14. Have you done a full goin tune up?
 
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