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997.1 - Porsche Sports exhaust question. - Page 1 - 911/Carrera GT - PistonHeads UK

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3 captured repliesPartial discussion capture · Source accounts, not a confirmed diagnosis

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCH997.1 - Porsche Sports exhaust question. - Page 1 - 911/Carrera GT - PistonHeads UK

Leading reported evidence

Disconnect plug

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

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
Lift the rear lid, locate the solenoid valve with the brown connector near the RH intake manifold if you disconnect the plug with the engine running then the exhaust should instantly get louder.
Original post Read captured discussion
997.1 - Porsche Sports exhaust question. - Page 1 - 911/Carrera GT - PistonHeads UK

Read full discussion summary

Leading evidence: 'Disconnect plug' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Disconnect plug' (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.

Read captured replies

1 matching discussions · 3 captured posts examined · 1 partial discussions

Compare 2 other evidence results

Replace (the valves are known

Suggestion or failed attempt

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
If not; pull the vacuum pipes from the solenoid and note any change (the valves are known to fail).
Original post Read captured discussion
997.1 - Porsche Sports exhaust question. - Page 1 - 911/Carrera GT - PistonHeads UK

Run then the exhaust should instantly get louder

Suggestion or failed attempt

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
Lift the rear lid, locate the solenoid valve with the brown connector near the RH intake manifold if you disconnect the plug with the engine running then the exhaust should instantly get louder.
Original post Read captured discussion
997.1 - Porsche Sports exhaust question. - Page 1 - 911/Carrera GT - PistonHeads UK

Frequently discussed actions (3)

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

Disconnect plug

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
Lift the rear lid, locate the solenoid valve with the brown connector near the RH intake manifold if you disconnect the plug with the engine running then the exhaust should instantly get louder.
Original post Read captured discussion
997.1 - Porsche Sports exhaust question. - Page 1 - 911/Carrera GT - PistonHeads UK

Replace (the valves are known

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
If not; pull the vacuum pipes from the solenoid and note any change (the valves are known to fail).
Original post Read captured discussion
997.1 - Porsche Sports exhaust question. - Page 1 - 911/Carrera GT - PistonHeads UK

Run then the exhaust should instantly get louder

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
Lift the rear lid, locate the solenoid valve with the brown connector near the RH intake manifold if you disconnect the plug with the engine running then the exhaust should instantly get louder.
Original post Read captured discussion
997.1 - Porsche Sports exhaust question. - Page 1 - 911/Carrera GT - PistonHeads UK

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.

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

PistonHeads: 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: 20261026T142254Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Anyone got one? The PSE option with the button on the dash. Question is - does the light on the button mean the sports exhaust is Off, or On? I'm thinking the light means "silenced". Because if you have the light off, but boot it up to about 40mph, it comes back on again which I believe is to stop you being a Hooligan in areas of low noise. Also - in your experience can you noticably tell the difference between on and off? I can't tell at all! Thanks :-)

POST 2Original post

Early 997.1's light ON is exhaust OFF (quiet) Later 997.1's light ON is exhaust ON (loud) Lift the rear lid, locate the solenoid valve with the brown connector near the RH intake manifold if you disconnect the plug with the engine running then the exhaust should instantly get louder. If not; pull the vacuum pipes from the solenoid and note any change (the valves are known to fail). If the exhaust still remains quiet then you may have a seized actuator or actuators or a blockage in the vacuum pipes (the actuators can perish and the diaphragm valve can get pulled into the pipework effectively blocking it). If the exhaust is loud all the time the same location will apply but look for lack of vacuum, a failed solenoid or leaks in the pipework

POST 3 / ORIGINAL POSTEROriginal post

Thanks for such a comprehensive reply, Pope. Exactly what I needed. Thanks very much!!

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