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N55 HPFP Culprit
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| 07-09-2019, 06:00 PM | #1 |
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N55 HPFP Culprit
So I have numerous codes popping up which I believe is caused by the HPFP. A few months ago I got a code which led me to the fuel rail sensor which I replaced. Just after replacement, I took it for a test drive and it started throwing new codes. Specifically 2BDE, and 2BF0, as well as every cylinder misfire besides cylinder 3, and 2BEE. I've read a ton on the subject, but sadly nobody really follows up to their posts. I've read there is a software update, I've read it could be this or that. Is there any way to find the exact issue without throwing parts at my car? I can replace the pump, but I don't want to if that's not 100% the problem. Any help/advice is appreciated.
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| 07-24-2019, 01:22 PM | #3 | |
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| 07-25-2019, 06:05 PM | #4 |
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I would pull plugs and see how each cylinder is running. If they are all lean that's definitely a fueling problem. I'll let you know if I think of anything else
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