 how do u know when an o2 sensor is bad? |
 Sep 5, 2007 - 11:06 PM
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 Enthusiast  Joined Aug 11, '07 From Corona, CA Currently Offline Reputation: 4 (100%)  |
yea..i get really bad fuel economy. lookin at 20-25 mpg. i know i drive at about 75-80 on the freeway, but i didnt think that it would reduce my mpg by that much..plus i see that it goes down alot when im driving regularly..
just maybe running to rich..maybe reset ecu? but main question is how do you know if your o2 sensor is bad. thanks guys! x --------------------  Pandelica 2.0 in progress. |
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Sep 6, 2007 - 12:19 AM
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 Enthusiast Joined Aug 30, '02 From Maryland Currently Offline Reputation: 8 (100%) |
Ive never had one go bad before but when I removed one I know it almost instantly flipped a CEL s Id assume it would do the same if one dies. Odd thing for me is I just unhooked the batt and the CEL went away and never came back.
-------------------- Member of Team 5sfTe
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Posts in this topic
xs94st how do u know when an o2 sensor is bad? Sep 5, 2007 - 11:06 PM
vile_v QUOTE(1bwilson @ Sep 6, 2007 - 5:19 ... Sep 6, 2007 - 1:03 AM |
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