Secret vacuum line to save mpg
CF Veteran
Joined: Jun 2010
Posts: 2,117
Likes: 3
From: Ohio
Year: 1998
Model: Cherokee
Engine: 4.0 stock
Don't mind them... There is no secret to gain 15 to 20 MPG. No chip, tuner, trick or treat will result in substantial gains in economy. The best tricks have been discussed many times before and using all of them can net a substantial gain of 5 or more MPG. Things like air pressure in tires, changing driving habits, getting rid of weight, etc.
Typical economy for our Cherokees can range from 13 to 20 MPG. Some can exceed 20 and some can't get near 13 but they are the exception not the rule. If the man that spoke to your cousin really is getting 30 MPG from a Jeep I guarantee it isn't just from a vacuum line.
Typical economy for our Cherokees can range from 13 to 20 MPG. Some can exceed 20 and some can't get near 13 but they are the exception not the rule. If the man that spoke to your cousin really is getting 30 MPG from a Jeep I guarantee it isn't just from a vacuum line.
CF Veteran
Joined: Aug 2011
Posts: 10,489
Likes: 24
From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
i luv the grat tips here you guysrock i luv it i turn the key isn it kind of woes wump can u make it go i want to weel Vacuum goes to the drk mattr concintrator in the front bumper, right?
Member
Joined: Feb 2011
Posts: 125
Likes: 2
From: Bay Area, California
Year: 2001
Model: Cherokee
Engine: 4.0L (242 cid) I-6
Originally Posted by jeepesh
Notice he did not say XJ so the friend moved the vacuum line to get 30 mpg on his PATRIOT perhaps.... ?
Senior Member
Joined: Aug 2011
Posts: 760
Likes: 6
From: Landers, CA
Year: Several
Model: Cherokee
Engine: 4.0
It's possible!
If you order everything from JC Whitney that promises better mileage, - You'll get such good mileage that you'll have to stop and drain the tank every 100 miles!
If you order everything from JC Whitney that promises better mileage, - You'll get such good mileage that you'll have to stop and drain the tank every 100 miles!
Seasoned Member
Joined: May 2011
Posts: 268
Likes: 0
From: Waterford, PA
Year: 1999
Model: Cherokee
Engine: 4.0L
Originally Posted by DFlintstone
i luv the grat tips here you guysrock i luv it i turn the key isn it kind of woes wump can u make it go i want to weel Vacuum goes to the drk mattr concintrator in the front bumper, right?



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