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YOUR RESEARCHevap vacuum - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Leading reported evidence
Test with different cables and it does click
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evap vacuum - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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Leading evidence: 'Test with different cables and it does click' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check fuse e6' (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.
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 performed work without a confirmed outcome
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evap vacuum - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Check fuse e6
Suggestion or failed attempt
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Discussions that contain suggestions
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evap vacuum - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Check regenerative valve and probably getting a new valve
Suggestion or failed attempt
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Suggestion · Original poster
I'll be checking the regenerative valve and probably getting a new valve that I had the picture of.
evap vacuum - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Fill problem
Suggestion or failed attempt
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Suggestion
Replave it and it will cure bothe the "moo cow" noise frkm the gas filler and the gas filling problem.
evap vacuum - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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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.
11 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
986Forum: 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: 20261027T013556Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I have been tracking down a common howling noise from the gas cap area caused by the evap system. I believe I have found the culprit. I would just like to know the best way to test this part before I decide to order another. I did put 12v to it and it did not click, move, or buzz. Any ideas or experience that you might have to help point me in the right direction would be great. Also i have searched and found and read every post I can about this.
EDIT: I went back and started looking at it and my test cables had a short in them. Tested with different cables and it does click. Went ahead and put it back together and now I am at a loss. What part or parts tell it to close and why? It's obviously my culprit because I was able to put voltage to it while it was put together (complicated) and it did close to vacuum. The wiring is good and doesn't have any shorts that I can find and it is flexible without any brittle area's. Will a Durametric be able to zero in on the problem or other software? I can completely understand now why people cover the hole and/or deal with the sound now haha.
Its a slenoid valve under the drivers side intake plenum. Trace a rubber hose that connects to the throttle body back to the intakeand you will find it. Replave it and it will cure bothe the "moo cow" noise frkm the gas filler and the gas filling problem.
Sesrch my name and you will find a detailed description.
I used a durametric today and the evap test pass. it does not shut the sound down. I'll be checking the regenerative valve and probably getting a new valve that I had the picture of.
Checked it just now. Yes it made the sound stop. I pulled the hose at the intake and cleaned up and let it soak in some intake cleaner. Put back together and no howl. I still am getting a new valve and hose but it's temporary until i can get a part number and order it.
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