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BMW 3-Series (E90 E92) Forum
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power loss N53B30
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07-06-2022, 01:51 PM | #1 |
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power loss N53B30
I am the proud owner of a 2011 E90 325i. About a year ago I had the intake swapped with an 330i intake and it got tuned. so the car is up to 330i specs now.
Since a while I have the next default codes: · 30DA: 0x30DA nitric oxide sensor, signal · 2AAF: 0x2AAF fuel pomp, plausibility. Everywhere on the internet I read that I don’t have to worry about the 2AAF code. But is it possible that the 30DA code makes my car make all his power? If it’s possible, I want to solve these problems by myself, because everything is so expensive these days here in the Netherlands. But if it’s serious, or too complicated for a simple electrician like me :P, I will make an appointment with my BMW-specialist to fix these problems. |
07-07-2022, 09:58 AM | #2 |
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Have you cleared the codes? The 2AFF may be historic. Have you got evidence of the HPFP being replaced?
30DA should be cleared with a replacement NOX sensor and registering a new sensor using ISTA or INPA. |
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07-07-2022, 01:57 PM | #3 | |
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Quote:
Is there a way to check if the HPFP as been replaced? Last edited by gruox; 07-07-2022 at 02:16 PM.. |
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07-07-2022, 02:19 PM | #4 |
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Not other than taking the manifold off and having a look at the part number on it. If you do decide to do that and post a picture I can tell you. However it is a bit of an awkward job to do.
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