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Discussion Starter · #1 ·
1997 Wrangler SE with a recurring Check Engine Light that is driving me bat @%^$(@^[email protected]( crazy. This has been going on since 2004 and have replaced countless up and downstream oxygen sensors and 2 cat converters. (1 was a recall) Is this normal or might there be some issues? The check engine light just came on this week - the last time was May 2012. The code indicates that Catalyst efficency below required level - JEEEZ! Usually when i get this my Jeep is running big time rough. This time my Jeep is not running rough at all.
Would appreciate any help that comes my way....
 
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