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3.4 engine tick

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6 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCH3.4 engine tick

Leading reported evidence

Replace soon

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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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

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

I�ll probably be bringing it in for an oil change soon but would like to have some ideas what might be going on.

Original post Read captured discussion
3.4 engine tick
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Leading evidence: 'Replace soon' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace soon' (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.

Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.

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1 matching discussions · 6 captured posts examined · 0 partial discussions

Frequently discussed actions (1)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Replace soon

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

I�ll probably be bringing it in for an oil change soon but would like to have some ideas what might be going on.

Original post Read captured discussion
3.4 engine tick
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.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

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

Generation: 20261027T184158Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I have a 1999 911 with 90k miles. Took it out of storage a couple weeks ago and noticed yesterday that there�s a slight tick coming from the drivers side that increased frequency when giving gas. Can�t hear unless the door is open. Noticed it last night after I had driven about 20 minutes and noticed it this morning starting cold. I�ll try to post a video but not sure if I�ll be able to. How worried should I be? I�ll probably be bringing it in for an oil change soon but would like to have some ideas what might be going on.

POST 2Original post

It may just be a bad clamp or a exhaust gasket. or crack in a muffler..

POST 5Original post

Lots of anecdotal evidence out there that 99�s tend to tick. 🤷

POST 6Original post

I hear two distinctly different noises, the higher pitched one sounds like an exhaust leak or loose spark plug ( and looks like some visual evidence of an exhaust leak at #3 header pipe?).. the deeper tick sounds like the normal "ferrostan" noise. Ferrostan is a hard iron piston coating, it is harder and noisier but more durable then the later ferroprint piston coating that is softer and quieter but less durable.. Nothing to panic or worry about but the louder high pitched tick needs to be fixed, not just to sound better but an exhaust leak will effect the 02 sensor readings and the fuel trims. It should be fairly inexpensive to find/fix..

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