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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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05-19-2017, 07:05 PM
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#1 |
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Senior Member
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Weird whining noise when car is in ACC from engine bay [video]
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05-19-2017, 08:54 PM
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#2 |
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Maybe fuel pump or the head lights? My head lights hum like that but not as loud.
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05-19-2017, 09:45 PM
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#3 |
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It;s related to the power for the throttle plate, completely normal
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05-19-2017, 10:13 PM
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#4 |
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not playing cards
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Pop the hood and have a friend work the accelerator while you listen, with the engine off, of course. Put your hand right onto the throttle body. It's rewarding to really understand a mysterious sound.
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