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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > code



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      04-30-2013, 08:45 AM   #1
09BMW335i
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code

so i was in 5th gear WOT and went into limp mode had these codes
29E2 29E2 Fuel injection rail, pressure sensor signal
29F3 29F3 Fuel pressure sensor, electrical

i just changed my all my plugs i put in 5-6 gallons of e85 on top 0f 10 gallons of 93. could it be that i am too rich and the pump cant handle the mix.
normally i only use 2-4 gallons of E85. Upgrading the HPFP and LPFP would take care of this so i could run a higher mix?
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      04-30-2013, 08:59 AM   #2
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too much e85, lessen the amount
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      04-30-2013, 10:02 AM   #3
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thanks
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      04-30-2013, 11:49 AM   #4
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Quote:
Originally Posted by 09BMW335i View Post
so i was in 5th gear WOT and went into limp mode had these codes
29E2 29E2 Fuel injection rail, pressure sensor signal
29F3 29F3 Fuel pressure sensor, electrical

i just changed my all my plugs i put in 5-6 gallons of e85 on top 0f 10 gallons of 93. could it be that i am too rich and the pump cant handle the mix.
normally i only use 2-4 gallons of E85. Upgrading the HPFP and LPFP would take care of this so i could run a higher mix?
upgrade your LPFP to a walbro 455.
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      04-30-2013, 12:45 PM   #5
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I had the same problem even running the walbro pump.
Terry advised me to set AFR to 0. It hasn't happen again.

Edit: It is back
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Last edited by Bimmer305; 04-30-2013 at 04:57 PM..
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      04-30-2013, 12:49 PM   #6
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Do a log send it to terry he will fix you up. Was happening to me too, did a few changes problem never came back
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      04-30-2013, 01:07 PM   #7
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my afr i did a custom set everything under 3k i am at 8-10
3k-6k 12-15
6k- to redline 8-10

will try zero and see what happens as well
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      05-01-2013, 08:10 AM   #8
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so made some changes SET the AFR to 0 and did a few pulls here is the LOG from 3rd to 4th





next log



also sent to Terry to see what he thinks
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