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DIY: Do It Yourself
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Old 11-07-2009, 02:35 PM   #1
diversBMW
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Fault code "mixture preperation bank 2" - HELP

I recently had SEL come on in my 2005 330i. I tested with Peake tool and it revealed fault code 20 - 2883 which reads "mixture preperation bank 2". Any help on how to correct/fix this? Thanks
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Old 11-10-2009, 08:27 PM   #2
diversBMW
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Hey Guys...any ideas on the sourse or correction for this fault code? Thanks
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Old 11-10-2009, 08:37 PM   #3
wilcax
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i had a similar code last week... it was the intake elbow boot in my case.
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Old 11-11-2009, 03:22 PM   #4
diversBMW
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Did you have Elbow boot come off or crack? Thanks for the info and I will await the reply.
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Old 11-11-2009, 09:41 PM   #5
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They are very prone to cracks inside the accordion folds. This frequently leads to a variety of air/fuel mix problems and codes. Easy place to check.

Good luck,

Ken
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Old 11-13-2009, 12:42 AM   #6
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it was cracked. and i checked my scanlog, listed misfires along with with mixture preperation in both bank 1 and 2. after i replaced the boot and reset the light i have been good. improved my gas mileage as well. dont really know how long the boot was cracked for before it tripped the light, but it did look like it was cracked open for a long time...
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