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Leading reported evidence

Test ...)

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Reported fixes: 0
Unsuccessful attempts: 1
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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
(and don't tell me you fit it back for every MOT test...)
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Leading evidence: 'Test ...)' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Test ...)' (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.

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1 matching discussions · 3 captured posts examined · 1 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.

Test ...)

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
(and don't tell me you fit it back for every MOT test...)
Original post Read captured discussion
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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: 20261027T003124Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1Original post

If your car is pre 1993 (can't remember which month), you can take it off and burn it. If newer than that you're stuck with it. Options are sports cats or exactly what you've said, put it back on for the MOT. (Yes, some people do this despite the effort)

POST 2Original post

JZMachtech, amongst others, do a 100 cell cat conversion / replacement. This seems to release an extra 10 bhp in the '02 carrera for around 1k. Will the emissions increase? If so will it bugger the engine management settings due to leccy sensors in the exhaust etc.

POST 3 / ORIGINAL POSTEROriginal post

What is the UK legislation regarding catalysors? How do you get you car MOTed if you had the cat removed? (and don't tell me you fit it back for every MOT test...)

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