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speedometer and odometer no working

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

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHspeedometer and odometer no working

Leading reported evidence

Clean these 4 wheel speed sensors

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes: 0
Unsuccessful attempts: 1
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions: 1

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Suggestion · Original poster
I will remove and clean these 4 wheel speed sensors but sounds like many are corroded into place and damaged when removed.
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speedometer and odometer no working

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Leading evidence: 'Clean these 4 wheel speed sensors' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean these 4 wheel speed sensors' (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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Inspect harness

Suggestion or failed attempt

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Reported fixes: 0
Unsuccessful attempts: 1
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Discussions that contain suggestions: 1

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Suggestion
I think i would start by inspecting the harness for possible rodant damage.
Original post Read captured discussion
speedometer and odometer no working

Frequently discussed actions (2)

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Clean these 4 wheel speed sensors

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

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Discussions that contain suggestions: 1

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

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Suggestion · Original poster
I will remove and clean these 4 wheel speed sensors but sounds like many are corroded into place and damaged when removed.
Original post Read captured discussion
speedometer and odometer no working

Inspect harness

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
I think i would start by inspecting the harness for possible rodant damage.
Original post Read captured discussion
speedometer and odometer no working

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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.

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

Rennlist: 1 discussions

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0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T155324Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

My 2000 996 the speedometer needle does not move as I accelerate, odometer does not count and I have brake light illuminated all with vehicle speed sensor fault code. Turning a tight turn and accelerating the car jerks like fuel is being cut out very briefly. Internet research I am not finding where this speed sensor is located. I see each wheel has a speed sensor and quick visual inspection all look good. Is the vehicle speed sensor the 4 wheel speed sensors or another sensor? I will remove and clean these 4 wheel speed sensors but sounds like many are corroded into place and damaged when removed. It would be nice to narrow this down before I start potentially breaking wheel speed sensors. Any ideas or direction?

POST 2Original post

A good scsnner wil determine which sensor is not reading but it sounds like all of yours r dead. I think i would start by inspecting the harness for possible rodant damage. Its very strange that all 4 sensors dropped out at once.

POST 3Original post

Yes, the wheel speed sensors are the vehicle speed sensors. You more than likely have just one that failed, or the harness connector for it and the brake wear sensor is breaking apart with age. 996/986 need to see all 4 to calculate.

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