Hi All, Can anyone help? The speedo of my 1990 964 works normally up to about 80 mph after which the needle is very erratic, indicating the correct speed then 110 or 120 mph for a few seconds, then back to normal. A minute later, its doing it again. Any ideas as to what is causing this & a remedy? Thanks for any help. Migration info. Legacy thread was 82356
Discussion summary
YOUR RESEARCH80 to 120 mph in 3 seconds
1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Read captured repliesInsufficient extracted evidence does not mean there is no answer in the original discussions.
1 matching discussions · 6 captured posts examined · 0 partial discussions
Coverage and how to read this overview
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.
6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
- 911uk: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
1 acknowledgements have no verified action link; they do not establish a repair result.
Outcome without a verified action link
The speedo of my 1990 964 works normally up to about 80 mph after which the needle is very erratic, indicating the correct speed then 110 or 120 mph for a few seconds, then back to normal.
No unique explicit quoted action; no causal link assigned
Generation: 20261027T000231Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
sounds like moisture playing havoc with the electronics! Migration info. Legacy thread was 82361
sounds normal to me Migration info. Legacy thread was 82367
Yeah, I've told you to stop wearing your high heels when driving! :twisted: :wink: Migration info. Legacy thread was 82385
I can't work out whether Glenn or Maxine left them in the car :? Migration info. Legacy thread was 82397
Migration info. Legacy thread was 82398
This is a source reference. Confirm exact model applicability in the original material.
