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Grand Cherokee > Engine > Error codes > Do I need an O2 extender for my Jeep Grand Cherokee’s exhaust system? >

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Title: Do I need an O2 extender for my Jeep Grand Cherokee’s exhaust system?
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v8ismyheart
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#1
10-17-2024, 11:25 AM
If you’re getting a check engine light after an exhaust mod, you might need an O2 sensor extender. I did a cat delete on my Jeep and immediately got that dreaded light. Threw in an O2 extender, and the light’s been off ever since. Anyone else had a similar issue?
 
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