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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > Australia > N54 '29F1' and '2D2E' (MHD)



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      09-14-2017, 10:51 AM   #1
tbone1210
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Exclamation N54 '29F1' and '2D2E' (MHD)

Hi all
My car has a fault code of '29F1' and '2D2E' which are 'Fuel pressure, plausibility.' and 'Throttle-valve angle-intake-manifold vacuum, correlation'.

It revs up and down and sounds as the video .
Is there a problem with the HPFP or with LPFP sensor or something else
It sounds like this


And what is the 'Throttle valve thingy' mean?


Can I solve it with MHD? (Reset adaptations.(Tried, didn't work.))

Cheers

Last edited by tbone1210; 09-14-2017 at 10:59 AM.
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      09-14-2017, 11:02 AM   #2
guop
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i started getting that code for the fuel pump and also long cranks like yours. hoping its not really the hpfp!
How does it drive right now?
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      09-14-2017, 11:14 AM   #3
tbone1210
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Quote:
Originally Posted by guop View Post
i started getting that code for the fuel pump and also long cranks like yours. hoping its not really the hpfp!
How does it drive right now?
Yea man ,I haven't driven since the problems appeared. Should I give it a drive see how it goes? The car 'stalled' (DCT) if it's not moving.
How's your BM going? Have u got any codes and modes?
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      09-15-2017, 06:12 PM   #4
Brule
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Did this happen after the flash?
Or was it already happening?

Log your car idling and post up a datazap link.
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      09-16-2017, 09:21 AM   #5
tbone1210
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Quote:
Originally Posted by Brule View Post
Did this happen after the flash?
Or was it already happening?

Log your car idling and post up a datazap link.
I think it happened after the flash, because the car revs and vibrated abnormally after my friend has driven it hard. Then I have decided to flash it back to stage 0 and this happened

I'll try to upload it asap

Last edited by tbone1210; 09-16-2017 at 09:28 AM.
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