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Old 06-23-2012, 03:17 PM
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RobinHood RobinHood is offline
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2001 Maxima 2001 Nissan Maxima
 
Join Date: Mar 2009
Location: NC
Posts: 16
Default More O2 problems

I have a 2001 Maxima Se. The check engine light has come on and off for a couple years. The first time the mechanic replaced the ignition coils. Took about 100 miles for the light to go off. It came back on about a month later. This time it was the Air Mass meter. The light came on a few months later. I waited until inspection time, and this time I needed the entire catalytic converter assembly replaced. It's back on again. I'm getting code P0171. Which I know is bank 1 O2 sensor. It doesn't make sense that all these things keep needing replacement so soon after something is replaced. Is it normal to have such a train reaction? I totally trust my mechanic, and I only have 95K mi on the car.
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