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BMW 3-Series (E90 E92) Forum
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STILL Misfiring.. PLEASE HELP!!!! *Update Video
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10-07-2021, 08:24 PM | #23 |
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10-07-2021, 08:24 PM | #24 |
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10-07-2021, 10:41 PM | #25 | |
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I suspect you'll have to run another log where you don't let off the throttle when the issue occurs--that way we'll be able to see if there are timing corrections or weird lambda stuff going on. You could do this on a stock map, if you want (as it sounds like it was happening before the MHD). |
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10-07-2021, 10:56 PM | #26 | |
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10-08-2021, 01:58 AM | #27 | |
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Also did you check the codes using MHD to see which cylinders were flagged up for misfires? |
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10-11-2021, 07:20 PM | #28 | |
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10-11-2021, 07:22 PM | #29 |
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I think I did it right this time… third gear WOT pull with plenty of stutters like it got bad during this pull.. PLEASE HELP!
https://datazap.me/u/phillyphilly/lo...og=0&data=3-20 |
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10-11-2021, 07:53 PM | #31 |
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First and foremost, do you have traction control off completely? You need to hold the DTC button for about 10s. You're getting a ton of throttle closures and need to rule that out. I'm not an expert so I'm not sure if you're losing low-pressure fuel pressure and leaning out bc the DME is trying to stop your wheels from spinning or not.
Edit: Looked at the other logs. I definitely think you have traction control on still. Time for some better tires.
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Last edited by Dave92N54; 10-11-2021 at 08:01 PM.. |
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10-11-2021, 08:36 PM | #32 | |
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10-11-2021, 08:38 PM | #33 | ||
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10-11-2021, 11:51 PM | #34 | |
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10-12-2021, 12:01 AM | #35 | |
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Since your logging, you might as well flash v7.1 map and log as well. Might turn out to be easier on LPFP. |
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10-12-2021, 12:45 AM | #36 | |
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Also, would you recommend the Walbro stage 2 pump over a regular one from FCP euro? I’m content with stage 2+ honestly as my Yamaha r1 is my excuse for “limiting myself on power”. |
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10-12-2021, 04:19 AM | #37 | |
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They are map versions, 7.1 is an earlier map and may be pushing the LPFP less, so you might get away with it for the time being. No harm logging both and comparing either way. I would do that with traction fully off before replacing your LPFP. |
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10-12-2021, 10:31 AM | #38 | |
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10-12-2021, 10:54 AM | #39 |
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What's up with the RPM's going to zero several times? I've never seen that before.
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