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5500 rpms - noise?

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1 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis

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YOUR RESEARCH5500 rpms - noise?

Leading reported evidence

Replace mass air flow sensor

Performed · outcome unconfirmed

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Unsuccessful attempts: 1
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Discussions that performed work without a confirmed outcome: 1

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Performed · outcome unconfirmed · Original poster
Recently had the car serviced where they replaced the MAF.
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5500 rpms - noise?

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Leading evidence: 'Replace mass air flow sensor' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace mass air flow sensor' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Replace of tone

Suggestion or failed attempt

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Unsuccessful attempts: 1
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Discussions that contain suggestions: 1

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Suggestion · Original poster
But I miss that 5500 rpms and up change of tone.
Original post Read captured discussion
5500 rpms - noise?

Frequently discussed actions (2)

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Replace mass air flow sensor

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

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Discussions that performed work without a confirmed outcome: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed · Original poster
Recently had the car serviced where they replaced the MAF.
Original post Read captured discussion
5500 rpms - noise?

Replace of tone

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster
But I miss that 5500 rpms and up change of tone.
Original post Read captured discussion
5500 rpms - noise?

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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

1 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

Rennlist: 1 discussions

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Generation: 20261027T020439Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

When pushing the car I usually expect a change of tone in the engine noise at around 5500 rpms. Recently had the car serviced where they replaced the MAF. Engine feels healthy and I have good power all the way to red line. But I miss that 5500 rpms and up change of tone. Some days it is back!!! What kicks in at 5500, VarioCam? and does "no noise" mean it is defective (or starting to be)?

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