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2005 c230 kompressor 2003 s500 94 wrangler
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283 Posts
Discussion Starter #1 (Edited)
First time posting :)

41,000 miles: just had a trans leak from AT plug. the mechanic said a front o2 sensor went out. i've been driving on the faulty o2 sensor for about 4 months. mechanic said it was running rich but when i scan with my own scanner it says lean.

will 4 months do any harm to my cat converter?

will the dealership replace under warranty if melted?

anything else might go wrong at 40,000 miles?

~Thanks
 

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'07 C280 4matic, '06 530i, '98 ML320
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1,562 Posts
cats are covered for 80K miles. So, the catalytic converters should still be under warranty.
 
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