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check engine light still on with no codes?

Old Oct 7, 2017 | 05:35 PM
  #1  
rosyjazz's Avatar
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From: Calif
Year: 1994
Model: Cherokee
Engine: 5.2L V8
Default check engine light still on with no codes?

I have a 94 V8 automatic

The check engine light recently came on and I checked the code. Told me to change out the O2 sensor, so I did. Check engine light is still on. Checked the code and nothing, just the 12 for beginning and 55 for end. I'm confused! I need to get her regd in Calif by December. Not sure what to do now...
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Old Oct 7, 2017 | 05:44 PM
  #2  
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disconnect your battery terminals for about 30 mins and reconnect them and see if it will go off.

marc
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Old Oct 9, 2017 | 08:18 PM
  #3  
rosyjazz's Avatar
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Year: 1994
Model: Cherokee
Engine: 5.2L V8
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Originally Posted by LadyKenai
disconnect your battery terminals for about 30 mins and reconnect them and see if it will go off.

marc
The light didnt stay off. <SIGH>
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Old Oct 9, 2017 | 09:16 PM
  #4  
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Year: 1999
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Engine: 4.0
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Try asking here man.

https://www.cherokeeforum.com/f5/gra...21537/index44/

The section you posted in is for XJs... may find more specific help in the ZJ thread.
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