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08-26-2021, 03:24 PM | #1 |
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Power loss at WOT (under hard acceleration) any help would be appreciated
Hello all,
I have a 2015 DCT M3, currently running stage 2 ECUTEK FBO E85. At wide open throttle, the car cuts power completely, it's like hitting a wall. The engine does not shut off it just loses power. Has anyone had this happen to them? No CEL or anything. I do a hard pull from 2nd gear and near the end of the gear it cuts power. Happens in 3rd too. Only when flooring. My tuner is trying to figure out but thought I'd ask here too. |
08-26-2021, 04:34 PM | #3 |
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08-26-2021, 06:51 PM | #4 |
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Yes happned to me and friends car check meth bungs mine had popped off the j pipe and the charge pipe meth bungs were loose
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08-26-2021, 07:22 PM | #5 | |
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At half throttle it was a rocket, at full it would pull and slam into a wall. I flashed to stock then went bm3 stage 2 and all was right in the world |
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08-27-2021, 03:56 PM | #6 | |
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08-27-2021, 04:19 PM | #7 |
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Just throwing this out there, but it could be the traction control. I notice that the power gets cut all the time when I have the full traction control on, even without wheel spin. Try MDM mode and see if that does anything.
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09-01-2021, 01:35 PM | #8 |
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This is a good idea. I'm going to have to take traction completely off and see if it does it. Also the shop is saying my alternator is bad and could be causing the issue.
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09-01-2021, 02:13 PM | #9 | |
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09-01-2021, 02:44 PM | #10 | |
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I'm thinking this is probably ECU related or there's a leak. |
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09-01-2021, 06:02 PM | #11 |
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09-02-2021, 07:45 AM | #12 |
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09-02-2021, 11:52 AM | #13 |
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09-20-2021, 04:12 PM | #14 |
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Update to power loss at wot
Turns out the cause was a faulty alternator sending wrong voltage. Crazy how something like that could cause a sudden stop like that. Felt like a fuel cut or boost leak.
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boost, f80, f82, loss, power |
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