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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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11-15-2014, 06:19 PM | #71 | |
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11-17-2014, 06:05 AM | #72 |
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02-22-2015, 02:11 PM | #73 |
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Any update on this? I'm getting the same described issue but doesn't happen under acceleration. Most of the time this happens when blipping the throttle during a downshift or coast. Also, I determined that this only really happens around 2000rpm, more likely on the lower side of 2000. Engine internals are stock but I have an intake, I'm wondering if it's anything to do with the a/f ratio, maybe a side effect of the intake allowing more air in to the MAF. I'm considering dropping the stock air box in to see if this resolves the issue. I've attached a video showing the issue, doesn't happen all the time but you can observe the popping noise as well as the hesitation during the actual blip.
[ame]http://youtu.be/Dcemc9U1yFg[/ame] |
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