 Code 21 o2 sensor |
 May 26, 2006 - 8:22 AM
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 Enthusiast  Joined Feb 8, '04 From KY Currently Offline Reputation: 0 (0%)  |
I had to get a universal o2 sensor by bosch since they didn't have the sensor for the 3s. What 02 sensor do you guys have? I'm getting a code 21 in diagnostic mode but I don't get a CEL, unless I am in diagnostic mode. Does this mean my o2 sensor is going out or is it the wiring?
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May 26, 2006 - 9:00 AM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
are you checking the codes with the car running?
you should be checking them with the car off, with the igniton in the ON position. -------------------- Former Team 5SFTE pro member ;)
 13.6@108MPH, 5SFTE Powered |
Posts in this topic
Rjb23 Code 21 o2 sensor May 26, 2006 - 8:22 AM
Rjb23 I know I did it with the car running but I think I... May 26, 2006 - 10:59 AM Rjb23 I get the code with the engine off. May 27, 2006 - 8:50 AM akiyama how do you install an o2 sensor regarding the wiri... Jun 9, 2006 - 10:11 AM
brianforster i got that code too and replaced my o2 sensor and ... Jun 9, 2006 - 10:19 AM |
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