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What is this plug for?

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

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YOUR RESEARCHWhat is this plug for?

Leading reported evidence

Check next

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

On your '04, check next to where the right side o2 sensors plug in.

What is this plug for?
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Leading evidence: 'Check next' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check next' (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 · 15 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.

Check next

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

On your '04, check next to where the right side o2 sensors plug in.

What is this plug for?
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.

15 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: 20261027T031046Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Removed my air box and when I took it out I found this cord just laying there and could not find where it went. I have a 2004 C4S . Orange plug is the maf sensor plug but one on the right has me confused can�t figure what it plugs into if anything?

POST 2Original post

I have one too that goes nowhere in my 03. I'd like to say I've seen this explained before, but those more knowledgeable will chime in.

POST 3Original post

I've read it is some kind of factory diagnostic plug.

POST 4Original post

Quotes source post: 17544335

This is correct, and the Porsche assembly plant Factory is the only one with the protocol ad tool to work with it. But there is a Tach line (TN) in there that can be handy at times.

POST 5Original post

Its stored in this bracket, passengerside backncorner with the o2 sensors.

POST 6Original post

Quotes source post: 17544538

I hope you're taking good care of your health, because you're the only one around who knows this stuff.

POST 7Original post

Quotes source post: 17544702

Thank you Bill for the concern and props. My energy level has declined considerable after I was forced to retire after open heart surgery 7 years ago. I feel fine but fatigue easily after exertion and have to rest frequently. Heart rate is good 60bpm and blood pressure is good 120/80 without medication ,so DR. says see ya next year..lol Positive feedback from sharing my Porsche experience , and selling my UAOS to improve the platform ( and positive comments) help to keep me going !! Thank you !!

POST 8Original post

Quotes source posts: 17544702, 17545659

So true Bill. We are blessed on this forum to have one of the few Porsche master techs to offer support and assistance on a regular basis. Thank you, Skip!

POST 9Original post

Thanks for your knowledge and participation, Skip! BTW, I was born and raised in Birmingham and began my automotive career at Crown Automobile in the '80s. Did you work in Bham?

POST 10Original post

Quotes source post: 17545669

Thank you Bobby, I need the positive Karma !!!!

POST 11Original post

Quotes source post: 17545711

Hi Down South !! Yes I am native to B'ham also, finished up my Career with a decade at Tom Williams Porsche (currently Porsche of B'ham) , also a two decade stint at Long Lewis Ford and one at Murphy Mitsubishi I grew up working around the Bessemer/Hueytown area at Long-Lewis with the "Alabama Gang" of NASCAR ie. Niel Bonnett , Donny and Bobby Alison, Red Farmer, Bill Hamner. Also Clifford Allison Davy Allison , Michael Farmer .Bill Hamner was my main machinist back in the day as well as Tommy Sadler at Speed Engineering. Thanks for the positive vibe !!!

POST 12 / ORIGINAL POSTEROriginal post

Thank you Bill and everyone else, I was so worried something would not be working if that wasnt plugged in.

POST 13Original post

There's a dummy receptacle it plugs into to keep it from swinging loose and maybe to keep grime out. On my '99, IIRC, it's down near the bottom right of the A/C compressor. On your '04, check next to where the right side o2 sensors plug in.

POST 14Original post

Skip, you and JR are the most important assets on the forum here. Thank you for all you do!

POST 15Original post

Quotes source post: 17547288

Thank you Bill, you have been a great supporter !!!!

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