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| Guest 
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			Hi Wayne, I have a 2002 BMW 320i, the car runs really nice even though I have over 300k. Lately I've notice when I accelerate in 2nd,3rd,4,5th gear, my car is bogging out and evens out as I go faster,   Feels like the car is choking out.  Could this be faulty spark plugs or o2 sensor?   I thought I had bad gas, but it's not the case.  Thank you, tony.  __________________ This post was auto-generated based upon a question asked on our tech article page here: | ||
|  08-07-2013, 05:22 AM | 
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| Moderator Join Date: Jul 2012 Location: New England 
					Posts: 3,189
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			Check engine backpressure. You may have a restricted exhaust. It wouldn't hurt to perform a fuel system test also.  I would check fuel pressure, volume and quality. - Nick | ||
|  08-07-2013, 05:22 AM | 
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