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post #1 of 4 (permalink) Old 12-23-09, 02:21 AM Thread Starter
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Question oxygen sensor problem

I drive a 99 explorer sport, my engine light came so I took an autozone to have them scan it, it came up that my bank 1 sensor 1 oxygen sensor was bad so I replaced it. Then engine light stayed on so I took back to autozone to see what codes came on. Same problem the bank1 sensor 1 was still bad. s I changed it again thinking maybe the sensor I just bought was bad but that did not work either. I was wondering if anyone would have any idea where to go from here. Someone told me that it could be a blown fuse but I did not know that the o2 sensor had a fuse, any help would be great!!!!

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post #2 of 4 (permalink) Old 12-23-09, 09:58 AM
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Re: oxygen sensor problem

Did you unhook the battery for 5 min. after changing it to clear the codes?

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post #3 of 4 (permalink) Old 12-23-09, 02:06 PM Thread Starter
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Re: oxygen sensor problem

Yea I unhooked the battery both times. I hope it is something that simply though!!!!
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post #4 of 4 (permalink) Old 12-23-09, 05:20 PM
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Re: oxygen sensor problem

What is the code you're getting?

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