adithorp
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| posted on 29/11/07 at 05:29 PM |
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Hypothetical SVA exhaust question?
If a car passes on emissions but fails on noise, do the emissions get tested again at re-test?
adrian
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speedyxjs
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| posted on 29/11/07 at 05:31 PM |
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I think the whole test is redone
How long can i resist the temptation to drop a V8 in?
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mookaloid
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| posted on 29/11/07 at 05:32 PM |
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That's a really good question - I would guess not but I don't really know.
Cheers
mark
"That thing you're thinking - it wont be that."
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Robert Ryan
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| posted on 29/11/07 at 05:37 PM |
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If a car passes on emissions but fails on noise, do the emissions get tested again at re-test?
( NO )
AS LONG AS YOU USE THE SAME EXHAUST, THEY WOULD ONLY TEST THE THINGS YOU FAILED ON.
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snoopy
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| posted on 29/11/07 at 05:42 PM |
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can also confirm no you would only be tested on the items failed not passed
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Guinness
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| posted on 29/11/07 at 08:01 PM |
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Yup, the first test takes half a day, the re-test just covers the fail points, so could be as short as five minutes.
HTH
Mike
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smart51
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| posted on 29/11/07 at 08:21 PM |
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My SVA retest was very quick. Emissions, rear reflector edges and 1 or 2 nylocs. They only check the fails.
I would guess that if you change the silencer but keep the cat etc. then they would only check the noise. Surely, though, if you passed emissions
once, then you'd pass again?
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adithorp
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| posted on 29/11/07 at 09:59 PM |
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Not if I took the cat' out and replaced it with another silencer that looked the same!
Seeing as its inside the sill it'd be hard to know I'd done it.
The thing is I have easy access to emissions testing to set that up but might be marginal on the noise. I'd have a bolt in cat for mot test
later.
adrian
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watsonpj
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 posted on 29/11/07 at 11:32 PM |
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What take the cat out - no surely thats not allowed 
and you shouldn't need it for MOT either mine fell out right after the test and hasn't been needed since. (as long as its a Q plate )
Visible smoke only
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THE BEAR
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| posted on 3/12/07 at 08:59 AM |
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as much as i dont wont to tell you all this but i have been to me mot station and the mot book is saying on a q reg the emissions are done on the age
of the engine 
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DarrenW
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| posted on 3/12/07 at 09:46 AM |
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In my experiance the SVA man will only test the items that failed, however im sure they reserve the right to check other bits again if they want to.
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