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BMW 3-Series (E90 E92) Forum
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Wild idle fluctuations on startup - video
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| 03-02-2019, 09:00 AM | #1 |
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Drives: 1992 E30 Cabrio , 2009 e90 328
Join Date: Feb 2019
Location: Vancouver
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Wild idle fluctuations on startup - video
Video shows a typical start on my e90. Usually throws a bank 1 O2 sensor code after a while. This happens during the open loop phase, once the system checks in around 30 seconds all is well. Starter was replaced before I bought the car, so I thought perhaps there was a vacuum leak, however I’m thinking that would present itself always, not just at start up. Anyone else had a similar experience?
Thanks. |
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| bad idle, poor startup, rpm fluctuations |
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