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Renix fuel injector question

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Old May 13, 2012 | 09:11 PM
  #1  
jrh97007's Avatar
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From: Beaverton
Year: 1988
Model: Cherokee
Engine: 4.0
Default Renix fuel injector question

About a year ago I replaced all six of the fuel injectors on my 88 cherokee. Latley I have been having problems starting it and today I noticed that I can move/rotate all injectors with my fingers. Is this normal??? There is no gas leaking and when I swapd everything I used new o-rings. Also after I tweak a few of the injectors the Jeep starts right up. Could this also be the cuase of my 9- 10 mpg?
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Old May 13, 2012 | 09:14 PM
  #2  
Outlaw Star's Avatar
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From: Lantana, Fl
Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
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They will move a little but shouldn't be really loose. If too loose, it will suck air past the o rings. Causing higher idle and/or poor mileage.

Last edited by Outlaw Star; May 14, 2012 at 09:57 PM.
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Old May 13, 2012 | 09:53 PM
  #3  
jrh97007's Avatar
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From: Beaverton
Year: 1988
Model: Cherokee
Engine: 4.0
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Ok thanks. Looks like I will be pulling it apart again.
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