11 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHsooty exhaust tips/fuel smell
Leading reported evidence
Replace flange bolts
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
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Suggestion · Original poster
replaced flange bolts on exhaust and since then on of my exhaust tips has become sooty and i seem to smell fuel,allso sometimes on start up seems to miss for a while until warm,could it be oxygen sensor ?
Leading evidence: 'Replace flange bolts' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace flange bolts' (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 contain suggestions
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Suggestion · Original poster
replaced lambda,pig of a job to get out (euro car parts) left side pipe seems to smell very rich still ?
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.
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Suggestion
It would be a good idea to reset the fuelling adaption values as you suggested.
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
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Suggestion · Original poster
and not as smoothe as right hand,sems ok when hot or better and still bit of soot/carbon,not took her for run yet but will try tomorrow,not sure if soot is what is still in exhaust,easyier to take cat off by the way.any one else got any ideas,does the ecu need resseting or any thing like that,if so can i do it ?
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
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion · Original poster
surely if it was maf i would hav both tailpipes sooty,it had a bosch maf in 2007,can you test oxygen sensors/lambda any way
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Replace flange bolts
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
replaced flange bolts on exhaust and since then on of my exhaust tips has become sooty and i seem to smell fuel,allso sometimes on start up seems to miss for a while until warm,could it be oxygen sensor ?
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
and not as smoothe as right hand,sems ok when hot or better and still bit of soot/carbon,not took her for run yet but will try tomorrow,not sure if soot is what is still in exhaust,easyier to take cat off by the way.any one else got any ideas,does the ecu need resseting or any thing like that,if so can i do it ?
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.
911uk: 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: 20261026T135432Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
replaced flange bolts on exhaust and since then on of my exhaust tips has become sooty and i seem to smell fuel,allso sometimes on start up seems to miss for a while until warm,could it be oxygen sensor ? for that side
just as i thought
took for mot today right pipe passed flying colours left pipe tested and co whent through the roof lambda didnt seem to be doing anything,so pretty sure lambda is stuffed so ordered another today£68 good price as porsche wanted £126 let you know how i get on
not sure
replaced lambda,pig of a job to get out (euro car parts) left side pipe seems to smell very rich still ? and not as smoothe as right hand,sems ok when hot or better and still bit of soot/carbon,not took her for run yet but will try tomorrow,not sure if soot is what is still in exhaust,easyier to take cat off by the way.any one else got any ideas,does the ecu need resseting or any thing like that,if so can i do it ?
I don't know what year your car is, but if it is a 1997-1999 C2 with mechanical throttle you would need a Porsche tester to read the fault codes properly. A generic OBD2 tester may not show pending codes on a 996 with the early DME (version 5.2.2), as it isn't OBD2 compliant.
oh
its 1999 c4 light only flashed once and hasnt done it since,thought lambda sensor faults dont allways show thts why i was convinced it was that,just ran her again and doesnt seem as bad,will take for blast over weekend and see.
You might still have a pending code which the local garage's diagnostic tester might not be able to read.
Depending on what the fault is/was, it should clear itself from the fault register after a certain number of driving cycles (cold-warm-cold engine).
It would be a good idea to reset the fuelling adaption values as you suggested. Switch the ignition on for 60 seconds (make sure you don't touch the throttle). Then switch it off for 10 seconds. You can then start the engine.
A good old Italian Tune-up often does the trick too!
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