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Check Engine Light on 2006 Boxster S ?

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Original source
7 captured repliesPartial discussion capture · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHCheck Engine Light on 2006 Boxster S ?

Reported or suspected cause

evap canister, leak detection pump

Reported cause

No successful repair reported for this finding.

1
Identified cause
0
Suspected cause
0
Reported fixes
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 report identifying a cause
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.

Reported cause

it was the evap canister, leak detection pump that needed to be replaced.

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?
Frequently discussed work

Disconnect from a charcoal vacuum unit of some sort

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
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.

Performed · outcome unconfirmed

A quick look under the hood found a hose disconnected from a charcoal vacuum unit of some sort.

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?
Read full discussion summary

Leading evidence: 'evap canister, leak detection pump' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'evap canister, leak detection pump' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Disconnect from a charcoal vacuum unit of some sort' (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 · 7 captured posts examined · 1 partial discussions

Compare 4 other evidence results

Disconnect from a charcoal vacuum unit of some sort

Performed · outcome unconfirmed

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 performed work without a confirmed outcome
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.

Performed · outcome unconfirmed

A quick look under the hood found a hose disconnected from a charcoal vacuum unit of some sort.

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?

Install but far

Performed · outcome unconfirmed

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 performed work without a confirmed outcome
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.

Performed · outcome unconfirmed

Update: Pulled the seal out on my gas cap which visually looked ok when it was installed BUT far from it

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?

Install seal

Performed · outcome unconfirmed

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 performed work without a confirmed outcome
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.

Performed · outcome unconfirmed

I have installed a seal that I have from another cap which looks

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?

sticky or broken

Suggestion or failed attempt

No successful repair reported for this finding.

0
Identified cause
1
Suspected cause
0
Reported fixes
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 suspect a cause
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.

Suspected cause

With no smell, and no issues feeling Indy said its most likely the sticky or broken

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?
Frequently discussed actions (5)

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

Disconnect from a charcoal vacuum unit of some sort

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
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.

Performed · outcome unconfirmed

A quick look under the hood found a hose disconnected from a charcoal vacuum unit of some sort.

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?

Install but far

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
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.

Performed · outcome unconfirmed

Update: Pulled the seal out on my gas cap which visually looked ok when it was installed BUT far from it

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?

Install seal

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
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.

Performed · outcome unconfirmed

I have installed a seal that I have from another cap which looks

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?

Run problems, cars

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

Just got this tday,no running problems, cars running great.

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?

Run tank down

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

leak with a different code, regardless the light has stayed of from full tank to 1/2 tank.Will run the tank down to 1/4 were it came on previously.Maybe I will get lucky!

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?
Reported and suspected causes (2)

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

evap canister, leak detection pump

No successful repair reported for this finding.

1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
Discussions that report identifying a cause
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.

Reported cause

it was the evap canister, leak detection pump that needed to be replaced.

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?

sticky or broken

No successful repair reported for this finding.

0
Identified cause
1
Suspected cause
0
Reported fixes
Read evidence and context
Discussions that suspect a cause
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.

Suspected cause

With no smell, and no issues feeling Indy said its most likely the sticky or broken

Original post Read captured discussion
Check Engine Light on 2006 Boxster S ?
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.

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

  • Planet-9: 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: 20261027T025149Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1Original post

Just got this tday,no running problems, cars running great. No smell of gas,Tank was at 1/4 full. Filled it and took fuel ok. Code # P0455 Large Evap Leak Any idea what or were to find problem. Thx

POST 2Original post

Just a guess but a leaking gas cap can cause this. Check that it's tight and the gasket is clean and undamaged.

POST 3Original post

If that doesn't work it's a crack probably in plastic of the emission evaporation system Had same code in my BS 04. Part (vent line) wasn't that much $286 (overnight shipped) but labor $562 was a lot as you have to take the front trunk apart to get to it. You do a smoke test to find where the leak is.

POST 4Original post

Thx guys, I turned off the check engine light and it has not come on since but ive only driven it maybe 50 miles. I called my INDY and he said it will most likely come on when fuel drops to 3/4 or less. I have an Appt on June 9 to have it smoked if needed. Hopefully its a minor problem. Its definitely not the fuel cap.Cap and seal r perfect and this code is for a Large leak. With no smell, and no issues feeling Indy said its most likely the sticky or broken vent valve into the Tank,theres 2 apparently.

POST 5Original post

On my Boxster , and my current Cayman it was the evap canister, leak detection pump that needed to be replaced. The code came up as I would start the car.

POST 6Original post

Update: Pulled the seal out on my gas cap which visually looked ok when it was installed BUT far from it when pulled out.Big cracks all the way around. I have installed a seal that I have from another cap which looks identical and is in perfect shape. Im not sure if that would prompt a LARGE vac leak. Thought it would be a small leak with a different code, regardless the light has stayed of from full tank to 1/2 tank.Will run the tank down to 1/4 were it came on previously.Maybe I will get lucky!

POST 7Original post

I had the same issue on one of my Toyota trucks a couple weeks ago. 'Check engine' light illuminated and there was a ignition miss feeling at idle, but it wasn't affecting the fuel economy. A quick look under the hood found a hose disconnected from a charcoal vacuum unit of some sort. Snipped off the cracked end of that hose and reconnected it - then cleared the code. Idle returned to normal and it appears that corrected the problem. I'd look for disconnected and/or cracked ends on all your vacuum hoses. Usually there's enough length to snip 1/4" or so off the ends to get past the cracks. Good for at least another few year or so.

This is a source reference. Confirm exact model applicability in the original material.