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Old Jul 19, 2012 | 08:43 AM
  #2071  
az4wheeler's Avatar
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Joined: Feb 2010
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From: Mesa, Az
Year: 2001
Model: Cherokee
Engine: 4.0 Power Tech
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Without the vacuum canister i would think the vehicle would run rough as well as setting a code, if all it is is the canister whats preventing the replacement?
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Old Jul 23, 2012 | 07:44 PM
  #2072  
WYO_XJ's Avatar
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From: Chandler, AZ
Year: 1994
Model: Cherokee
Engine: 4.0L
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Need help passing emissions. I failed Hc, Co, and Nox. I have a 94 and not sure what to do
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Old Jul 24, 2012 | 12:16 AM
  #2073  
Chaoscase's Avatar
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From: Queen Creek , Az
Year: 1990
Model: Cherokee
Engine: 4.0l
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What are your numbers?
How old is your catalyst converter?
Have you done a top end and injector cleaning?
How is your idle?
Have you checked for vacuum leaks?
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Old Jul 24, 2012 | 09:25 AM
  #2074  
needxj's Avatar
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From: Chandler
Year: 1994
Model: Cherokee
Engine: 4.0HO
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Originally Posted by WYO_XJ
Need help passing emissions. I failed Hc, Co, and Nox. I have a 94 and not sure what to do

Im right there with you. New cat/vacuum hoses and a top end clean for me. Hopefully i will see positive change and maybe all three "pass".
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Old Jul 24, 2012 | 10:02 AM
  #2075  
az4wheeler's Avatar
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From: Mesa, Az
Year: 2001
Model: Cherokee
Engine: 4.0 Power Tech
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Check for vacuum leaks. do a tune up and oil change. dont waste ur time or money on a engine clean up. run good gas 89 or higher octane. get it nice and hot for testing.

Az state cert. emission inspecter.
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Old Jul 24, 2012 | 10:39 AM
  #2076  
LeRoy90laredo's Avatar
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Joined: Aug 2010
Posts: 692
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From: Tempe, AZ
Year: 1990
Model: Cherokee
Engine: l6 242
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and if all else fails, ethanol in the tank will save the day.
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Old Jul 24, 2012 | 11:19 AM
  #2077  
WYO_XJ's Avatar
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From: Chandler, AZ
Year: 1994
Model: Cherokee
Engine: 4.0L
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I'll check the cat. Its getting old so I'll probably replace it and do the oil change and better gas..hopefully it works
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Old Jul 24, 2012 | 04:31 PM
  #2078  
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From: 32nd st & Greenway
Year: 1994
Model: Cherokee
Engine: 4.0
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NOX is strictly controlled by the Cat on a 94! Replace the cat! i have a cat that is less than two months old. magna flow high flow cat. it is the california vehicle model. basically has a higher precious metal load. text me 602 819 3620
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Old Jul 24, 2012 | 05:54 PM
  #2079  
WYO_XJ's Avatar
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From: Chandler, AZ
Year: 1994
Model: Cherokee
Engine: 4.0L
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I'm getting a cat but don't have the tools to install it. My exhaust will have to be cut and was wondering if anybody would be able to help out
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Old Jul 25, 2012 | 06:19 PM
  #2080  
chevynova-71's Avatar
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From: 32nd st & Greenway
Year: 1994
Model: Cherokee
Engine: 4.0
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you dont have a grinder or sawzall?
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Old Jul 25, 2012 | 06:53 PM
  #2081  
WYO_XJ's Avatar
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From: Chandler, AZ
Year: 1994
Model: Cherokee
Engine: 4.0L
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Originally Posted by chevynova-71
you dont have a grinder or sawzall?
No. unfortunately I list a lot of my tools when I moved
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Old Jul 25, 2012 | 06:58 PM
  #2082  
Az87xj's Avatar
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From: San Tan Valley
Year: 1999
Model: Cherokee
Engine: 4.0
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Originally Posted by WYO_XJ
No. unfortunately I list a lot of my tools when I moved
Where you located at bud
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Old Jul 25, 2012 | 07:29 PM
  #2083  
WYO_XJ's Avatar
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From: Chandler, AZ
Year: 1994
Model: Cherokee
Engine: 4.0L
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Originally Posted by Az87xj

Where you located at bud
Chandler...Chandler Blvd and mcclintock
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Old Jul 25, 2012 | 09:10 PM
  #2084  
chevynova-71's Avatar
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From: 32nd st & Greenway
Year: 1994
Model: Cherokee
Engine: 4.0
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harbor freight has a tail pipe cutter for really cheap also
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Old Jul 25, 2012 | 09:30 PM
  #2085  
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From: San Tan Valley
Year: 1999
Model: Cherokee
Engine: 4.0
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Originally Posted by WYO_XJ
Chandler...Chandler Blvd and mcclintock
I live out in San tan valley of you wanna drive out here I will cut that ***** out for ya
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