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Discussion Starter · #1 ·
My car ('01 w/79k miles) recently picked up a misfire or stumble at low rpm and part throttle.
Usually below 2.5k rpm... car will miss or stumble pretty badly, then clear up. It first
happened when I got what I thought was a bad tank of gas months ago, and has been intermittent, but has gotten progressively worse lately. Anybody have any thoughts or similiar issues? Car is still cpo and I'm headed to the dealer shortly, but thought I'd check with you all first. Thanks!
 

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It sounds like you might have a bad O2 sensor. Just my guess.
 
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