 7afe CEL code w/out 2nd o2 sensor, CEl code 2 weeks after installing a header without the 2nd o2 sensor. |
 Apr 4, 2010 - 10:14 AM
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 Enthusiast Joined Apr 4, '10 From Asheville, NC Currently Offline Reputation: 0 (0%)  |
I apologize if this has been asked before. The search function is practically worthless since I can't search the term "o2" and every search I tried brought about 25 pages of results (none of which helped me).
I installed my aftermarket header about 2 weeks ago. Since there is no place for the 2nd o2 sensor, I simply unplugged it. Just this morning, it threw a CEL code (code 21: oxygen sensor). I want to know if any performance is going to be lost from not having the 2nd o2 sensor plugged in. From what I understand its job is to simply make sure the cat is functioning. Also, if it matters, my '95 7afe has an intake and is also straight-piped. - Tum This post has been edited by Tuminatuh: Apr 9, 2010 - 7:55 PM --------------------  |
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Apr 4, 2010 - 11:48 AM
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Enthusiast  Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
you CAN read it, just need a paperclip.
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Posts in this topic
Tuminatuh 7afe CEL code w/out 2nd o2 sensor Apr 4, 2010 - 10:14 AM
Tuminatuh QUOTE (Bitter @ Apr 4, 2010 - 12:48 ... Apr 6, 2010 - 12:55 PM
Bitter search Apr 6, 2010 - 8:06 PM mgnt232 lol everyone freaks about the search button.
the c... Apr 7, 2010 - 12:15 AM Bitter google Apr 7, 2010 - 7:13 AM Tuminatuh QUOTE (Bitter @ Apr 7, 2010 - 8:13 A... Apr 8, 2010 - 12:52 PM Bitter i can't tell you any better than its already b... Apr 8, 2010 - 10:11 PM Tuminatuh QUOTE (Bitter @ Apr 8, 2010 - 10:11 ... Apr 9, 2010 - 7:53 PM |
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