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Old 11-20-2009, 09:43 AM   #1 (permalink)
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02 replacement question

Just replaced the air / fuel sensor on my 99 4runner. Would there be any reason I should disconnect / connect the battery after the replacement?

Thanks.
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Old 11-20-2009, 10:13 AM   #2 (permalink)
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Im guessing no unless your CEL is on. You could if you wanted to but I dont see the need.

I could be wrong tho, I dont know too much about the 96+ OBDII systems.
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Old 11-20-2009, 10:23 AM   #3 (permalink)
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id just pull the efi fuse for a min
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Old 11-20-2009, 10:25 AM   #4 (permalink)
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I didn't think so either, but I read another post where the original poster said he pulled the EFI fuse and disconnected the battery. I'm not going to worry about it...
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Old 11-20-2009, 03:57 PM   #5 (permalink)
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It just takes longer for the computer to adjust to the new info, but it doesn't really matter.
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Old 11-20-2009, 05:22 PM   #6 (permalink)
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No need to reset...It will automatically go off after a few miles after the computer adjusts....
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