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Gas Mileage????

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Old Sep 21, 2011 | 11:33 AM
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  #61  
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Slick761
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From: Nor-Cal
Year: 1990
Model: Cherokee
Engine: The venerable 4.0
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I am happy to report that after a good tune up an o2 and seafoam to pass smog, my buddy is getting 19mpg.... he will probably post but I want to say it again.. love that renix!!!
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Old Sep 21, 2011 | 10:35 PM
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Evanfordsp1
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From: Hickory
Year: 2000
Model: Cherokee
Engine: 4.0
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Dude, Thats great! I been doing my research and am planning on diving into the mentioned problems this weekend...

Hopefully i can loosen up those extra MPG's!!!
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Old Sep 22, 2011 | 09:06 AM
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OEJ
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From: S.Jersey
Year: 1999
Model: Cherokee
Engine: 4.0
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So the 02 was part of the issue?. That's awesome. I'm glad you guys got it fixed.
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Old Sep 22, 2011 | 09:54 AM
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Slick761
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From: Nor-Cal
Year: 1990
Model: Cherokee
Engine: The venerable 4.0
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Ya the smog paper said o2 ok but I don't think they test it right since renix doesn't store codes. I tested with a mm and it was bad.
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Old Sep 22, 2011 | 11:43 AM
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no rdplz
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From: Virginia Beach by way of Michigan
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Just filled up and checked my mileage. 18.95mpg's, all hwy, doing 65mph on 4" and 31's.
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