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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 > New problems with the n54 I think it might be hpfp



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      12-25-2020, 10:51 PM   #23
aarongalve
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Cleared codes car runs perfectly until I push the gas. Missfire on cylinder 5 then the cylinder shuts off and I get a check engine light with my bank 1 afr going crazy. My plugs and coils are less than 1k. Maybe my cylinder 5 are just bad? I'll switch to my old one and see if it works
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      12-26-2020, 07:00 PM   #24
aarongalve
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Just switched to my old spark plug and old coil that were working before. Still car struggles to push past 2k rpm. This does not happen in first gear but when I push a little on 2nd it shakes and 3rd-6th its bad. I'll put a log here of my test drive in 2- 3rd gear

https://datazap.me/u/aarongalve/log-...&data=15-16-22

Last edited by aarongalve; 12-26-2020 at 07:24 PM..
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      12-27-2020, 04:59 AM   #25
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update**

Im fricken gonna pull my injectors out and check maybe I installed one of them wrong. Gonna pull cyl 5 first. I remember my decoupling element was bent on the old one when I pulled it out. I might try the Teflon tape trick and see if that works if something is messed up
Edit: If I can I'm going to just wrap all 6 injectors with teflon tape yolo

Last edited by aarongalve; 12-27-2020 at 05:41 AM..
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      12-27-2020, 06:26 PM   #26
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Well shit. I pulled injector 5 and 6 and they came out like butter it wiggles in the port too... fml. I put a little bit of Teflon and now I can almost pull in 3rd gear 4-6 is still shot
I'm about to put a double decoupler and more Teflon and see if that will help out. pro tip: push your injectors in instead of letting the bracket push it in for you....
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      12-29-2020, 08:05 PM   #27
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Ok boys I think I have fixed it my friends. Put 2 decouplers on injector 5 and 6 wrapped it in Teflon tape and put a new seal. Car is running better than ever. No codes for now. If something comes up I'll post it
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