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96 Volvo 850 hesitating/missing while driving, check engine light on, O2 sensor, MAF, or what?
http://www.chat-place.org/forum/viewtopic.php?f=24&t=16416
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Author:  MKG [ Thu Apr 22, 2010 8:35 am ]
Post subject:  96 Volvo 850 hesitating/missing while driving, check engine light on, O2 sensor, MAF, or what?

It only has like 63K mi on it. While I'm driving along, especially if I'm on the highway going 60+, I can feel the engine hesitate or miss or something. The check engine light has come on, I had it reset and it came on again, the code was for "fuel mixture too rich"... I know these cars tend to need O2 sensors replaced a lot, but what else could it be? MAF sensor? Could it be something really serious, or is it more than likely a matter of it needing the above, or a tune up or spark plugs or something? Any ideas would be appreciated. Thanks.


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