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Finally Fixed Misfire Issue With My N54 at WOT

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Hey people today i am showing how i fixed a misfire issue with my n54 that would only happen when i would go wide open throttle. This is a interesting trick you can do in order to fix a misfire issue. I basically added an extra decoupling ring on the injector and it fixed my issue i was trying to figure out for a long time. Let me know if you this helped you out or if you have any questions.

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26 авг 2024

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Комментарии : 43

@lifestetics8879 Год назад

Thank you so much been trying to fix my 2 misfires on wot for months and this worked I appreciate you

@menjicar Год назад

AWESOME 👏 Glad it helped

@2EASY2PK 12 дней назад

How’s this holding up so far?

@user-vz3gu4qi6s 9 месяцев назад

Thank you!! This solved my wide-open-throttle under load (going up a hill) misfire on a 118K mile 135. Identical issues to yours. Just as additional symptom - the car would rev fine over 6K RPM with no load. It required the load, and I assume boost pressure, to trigger the misfire. This started with the replacement of the fuel injectors that were causing "bank 1 too lean" errors for months. So I had new injectors, and then the misfire started to occur - I had gone through all the prior steps - new plugs and coils. Glad to learn this solution!

@menjicar 9 месяцев назад

Good to hear! This fixed my issue until I raised boost to 27psi. The extra pressure was too much for the bore. So I had to drill and install an injector bore insert. I made a video on it aswell

@friguy4444 2 года назад

I'd never heard of this until now. Seems strange but if it works then it works. Let us know if it continues to work. Thanks for the info video!

@menjicar 2 года назад

I was thinking the same thing but it was basically my only option left after making sure everything else was good. luckily it’s been holding strong almost 10k miles later on stage 2+ MHD tune

@2EASY2PK 12 дней назад

@@menjicarwud u recommend doing this tryna run stage 2 and don’t wanna spend too much already dropped 2k plus on the car

@user-ju8rr9rf1o 21 день назад

Whats the name of that part

@jayl8813 Год назад

I’ve been fighting 2 misfires for months. I’ve tested,swapped always 2 mis. Doing leak down test. This has to be my issue in S63. Wonder if copper washer would work as well ?

@menjicar Год назад

Maybe worth a try 🤷🏻‍♂️

@DG-od4si Год назад

will give it a try, thanks for the video

@menjicar Год назад

Yes let me know how it goes!

@scottb4104 Год назад

hmm interesting fix, how much boost are you running? Is this still working? I have the same issue with my bracket bolt for cyl 1&2, cross-threaded and broke off in the head.. going to do a time-sert.

@menjicar Год назад

Was running about 18-19 psi and it’s been about a year or a good 10k miles and still holding. I’ve even turned up the boost to 22 and still holds.

@scottb4104 Год назад

@@menjicar coo well thanks for the idea, hopefully don't need it but it's good to have the option

@2EASY2PK 12 дней назад

Is this still holding up? Also will it make the ovaled out bore issue worse in the future

@ben7020 2 года назад

Thanks for the video, does the second coupler change the depth of the injector when its installed? My injectors pull out by hand too fyi ;)

@nickazero8191 2 года назад

Yes it does, u can try 1 coupler with Teflon tape, try this method + Teflon. If your injector bore is bad enough you’ll have to retap and redo the hole with the kit

@2EASY2PK 12 дней назад

@@nickazero8191I can try 2 couplers with teflon?

@cme2nite123 10 месяцев назад

Bro I can’t get my bolt back in either it’s acting like it’s stripped… wat do you recommend for CHEAP & easy fix

@menjicar 10 месяцев назад

There is no cheap fix 😭. Drill it and make new threads or try to clean the threads

@cme2nite123 10 месяцев назад

@@menjicar 😩😩 ok thanks bro…. I ordered a new bolt do you think that’ll work or just go ahead & drill 😔

@kendrickturner6964 Год назад

Why do you have tape on the ends of the injectors?

@menjicar Год назад

To compress the seal that goes on the tip of the injector.

@isaiahfresh4924 Год назад

I just did it bro it fixed my misfire 5 bro on my 135i

@menjicar Год назад

YESSSS 🙌 CONGRATS. Fixed mine too

@isaiahfresh4924 Год назад

@@menjicar 🤙🏼

@MikkelMcKinnie Год назад

is this what I need to do? my car only does this when I go more than e30 ... e30 and under it runs fine

@menjicar Год назад

Makes a better seal for the injector port. I believe the DME detects combustion is leaking and shuts down the cylinders

@MikkelMcKinnie Год назад

@@menjicar wat about teflon tape

@menjicar Год назад

I don’t think that will handle the heat.

@MikkelMcKinnie Год назад

@@menjicar brand im buying says 500 degrees.. I dont think motor gets that hot... 250 max... if ur engine gets to 500 degrees.. u got bigger problems lol

@Builtbycampos335i 2 года назад

Did you put 2 couplers on both injectors let me know bro please I took my injectors off to clean them now I get this code

@menjicar 2 года назад

Yes on both. Make sure you replace the bottom black seal every time you remove the injectors from the holes. EVERYTIME

@Builtbycampos335i 2 года назад

I will bro I messed up I pulled out all injectors one by one and cleaned them 🤕I was only having misfires in the morning now it’s like urs I think its my seals tho

@Builtbycampos335i 2 года назад

I had miss fire only on 5 I switched the 5 injector with cylinder 1 and still the same miss fire for 5

@Builtbycampos335i 2 года назад

I’ll let you know how it goes bro

@Builtbycampos335i 2 года назад

I am still having the issues bro what’s ur Instagram bro

@zacharysuttle6753 Год назад

Can have a bored i injector hole ah

@Builtbycampos335i 2 года назад

Bro it was my fucken spark plugs and they are brand new from auto zone and 2 step colder ngk

@menjicar 2 года назад

Oh yeah? Did you replace them with the same ones? And what about the gap?

@stgmaofficial Год назад

I did 2 step as well, what was the gap you went with? Edit: update, I went with a 0.20 gap since I’m pushing over 650HP. If you’re near 500, I’d go with a 020.0 and if you’re less than that go with 0.22. They recommend 0.20 for all applications it’s the sweet spot, but if you start to misfire it’s because the gap might be to close, so just check if it misfires and if it does, open the gap until it stops.