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| Forum name | Performance/Engine |
| Topic subject | error code 21 |
| Topic URL | https://forums.2gnt.com/dcboard.php?az=show_topic&forum=i5&topic_id=327 |
327, error code 21 Posted by mikeRSnos, Apr-07-01 04:36 PM
has anyone had this problem before? this happened to me 4 months ago so i changed both O2 sensors . last night i got this error code again. does anyone know how to fix this?
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328, RE: error code 21 Posted by turbomex1, Apr-07-01 04:53 PM
turbomex1 did you try reseting the ecu by unpluging the neg. battery terminal for about 5 mins.
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329, RE: error code 21 Posted by guest, Apr-16-01 03:01 PM
yeah I got it too, i dont think it is anything big because this is the second time it happened and it goes away after a while.
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330, RE: error code 21 Posted by jplong, Apr-18-01 04:55 AM
give it a few days of driving ...it should go away...mine did after 2 days.
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