99 cherokee fuel mileage

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Feb 2, 2012 | 12:39 PM

#16

Ascheer

Newbie

Joined: Dec 2011

Posts: 11

Likes: 0

From: Grand Island, Nebraska

Year: 1996

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by T-Bus

My 99 gets 8-10 so 17 would be a blessing lol

Haha same here, my 96 with 4.5" and 33"s gets about the same, i will get like anywherr from 130-150 miles per tank

Feb 2, 2012 | 01:21 PM

#17

no rdplz

CF Veteran

Joined: Jan 2010

Posts: 5,482

Likes: 25

From: Virginia Beach by way of Michigan

Quote:

Originally Posted by xjbeadlocks

with stock gearing it would

No actually it wouldn't. 33's with 3.55's won't kill your city mpg's that much. Something else is causing it to go down as well. Maybe a heavy right foot is the main culprit.

Feb 4, 2012 | 01:46 AM

#18

shooter5635

Senior Member

Joined: Aug 2009

Posts: 853

Likes: 0

From: Carbondale, Illinois

Year: 2000

Model: Cherokee

Engine: Inline 6

Quote:

Originally Posted by no rdplz

No actually it wouldn't. 33's with 3.55's won't kill your city mpg's that much. Something else is causing it to go down as well. Maybe a heavy right foot is the main culprit.

No idea why but I got better gas mileage keeping the Rpms no higher than 3000 than when I wouldnt let them get above 2200. 2200rpms KILLED my gas mileage

Feb 4, 2012 | 08:58 AM

#19

no rdplz

CF Veteran

Joined: Jan 2010

Posts: 5,482

Likes: 25

From: Virginia Beach by way of Michigan

The 4.0's have a sweet spot for highway cruising at about 2400-2500 rpm's and no more than 2200 rpm's when accelerating. Thing that kills most people's city mpg's is acceleration.

Last edited by no rdplz; Feb 4, 2012 at 10:15 AM.

Feb 4, 2012 | 09:07 AM

#20

zimdogg

Senior Member

Joined: Jan 2012

Posts: 596

Likes: 0

From: Kansas City

Year: 1998

Model: Cherokee

Engine: 4.0L

Quote:

Originally Posted by TonyXJ

I coasted to the pumps on fumes once and put 17.7 gallons into my 99.

My stock 99 gets 16mpg city/hwy mix.
My 33' and 6' lift 99 gets 13mpg city/hwy mix

You did not coast in on fumes if you only put 17.7 gallons in it. Your jeep has a 20 gallon tank... you were fine.