VegasPhil
Premium Member
Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
User status: Offline
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Okok... Need to get an emissions test done on the Corsa.
Has anyone done this before, and got as Decat XE through an emissions test? Mine is the late-type XE from an L-Reg car.
Presuming it's running right, would it pass a basic emissions test?
Corsa 2.0 16v Vegas - Sold
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johnhara1
Member
Registered: 19th Oct 06
Location: Newcastle upon Tyne
User status: Offline
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Put some decent fuel in say BP 98 (or equiv) and some redex fuel cleaner in the tank and give it a good hard blast before the MOT.
or
Do what i did and find a friendly MOT tester 
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Toby
Premium Member
Registered: 29th Nov 05
User status: Offline
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is this police or mot?
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VegasPhil
Premium Member
Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
User status: Offline
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MoT
Corsa 2.0 16v Vegas - Sold
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whitter45
Member
Registered: 15th Nov 02
Location: Norton
User status: Offline
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yes give a dam good thrashing before you pull up to the garage
Most MOT emissions issues are the fact the engine etc are not up to temp
Although most places will not otuch your car if its decatted
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Iain M
Member
Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
User status: Offline
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I had problems when i had mine as mine was decatted. Caused so much trouble when i was doing it i found a nice freindly MOT tester and it passed first time.
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Daniel_Corsa
Premium Member
Registered: 21st Apr 04
Location: Wigton, Cumbria
User status: Offline
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Take the oil cap off, look into the engine for a circled two digit number 89 90 91
thats the engine year, it its any of those you won't have to worry about a CAT
[Edited on 10-01-2008 by Daniel_Corsa]
April '06' Corsasport Feature Car  | Aug '08' Total Vauxhall Feature Car | Spring '09' Fast Car Feature Car
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Toby
Premium Member
Registered: 29th Nov 05
User status: Offline
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hes already said it was from an l reg so it needs a cat, i would put loads of red x in and give it a good thrash down a motorway and try and find a decent tester, its amazing what passes when you do
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Daniel_Corsa
Premium Member
Registered: 21st Apr 04
Location: Wigton, Cumbria
User status: Offline
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L reg - 1993.
No saying the engine was made in 1993, might be lucky have a early stamp under the oil cap and get the tester convinced its from an pre-cat car!
April '06' Corsasport Feature Car | Aug '08' Total Vauxhall Feature Car | Spring '09' Fast Car Feature Car
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mwg
Member
Registered: 19th Feb 04
Location: South Lakes
User status: Offline
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Is there anyway for the MOT guys to prove the engine is from a year that it needs a CAT? I would try saying it was an early engine therefore no CAT.
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deex
Member
Registered: 9th Nov 07
Location: portsmouth
User status: Offline
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phil i know a friendly mot tester in waterlooville. ill speak to him tonight if you like
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Toby
Premium Member
Registered: 29th Nov 05
User status: Offline
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quote:
Originally posted by Matty G
Is there anyway for the MOT guys to prove the engine is from a year that it needs a CAT? I would try saying it was an early engine therefore no CAT.
well i guess if they are very peristamat and observant and look in the engine but not many will
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FruitBooTeR
Member
Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
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Mate passed his by finding a friendly tester
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Ian W
Member
Registered: 8th Nov 03
Location: Wirral, Merseyside
User status: Offline
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Mine passed without a CAT and is a 93 Dispack engine, i didn't say anything about the year, I think redtops are generally regarded as pre-cat engines.
Giving it a good thrashing is all well and good unless they don't MOT your car until a few hours after you drop it off
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Ste L
Member
Registered: 3rd Jul 06
Location: Manchester Drives: 106 16v Rallye
User status: Offline
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http://www.vosa.gov.uk/vosacorp/repository/7.3%20Emmissions%20-%20Spark%20Ignition%20-%20Passenger%20Cars%201992-2002.pdf
from that your car will need a basic cat mot test, due to being a 96/97 reg because the corsa wont have a 2.0 engine listed.. never know it may pass
Carry out a CAT test
using default limits
Minimum oil temp 60 C
Fast Idle: (2500 to
3000rpm)
CO <= 0.3%
HC <= 200ppm
Lambda 0.97 to 1.03
Idle: (450 to 1500rpm)
CO <= 0.5%
[Edited on 10-01-2008 by Ste L]
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luke85
Member
Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
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The car will have to pass the emissions test for the engine that is fitted, not for the 96/97 car that it is. When I had my LET done with no cat and they said it had failed, I confidently said course it wont you fool, its a 1989 engine! they re-tested it as one and it passed 
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MJ
Member
Registered: 18th Sep 03
Location: Hampshire Drives: ITR DC2 + Skoda Felicia
User status: Offline
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u2u sent
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Rob B
Member
Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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Frinedly MOT tester FTW
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JayCarr
Member
Registered: 19th Dec 02
Location: Cambs Drives:M3 & X3
User status: Offline
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Mine passed at Vauxhall with a de-cat. Just told them it was out of a '90 Astra that didn't need a cat, and it passed.
Was a pain in the arse with my old blue one, even with a CAT and being tested to pre cat emissions it still failed
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cash_2_my_corsa
Member
Registered: 26th Nov 05
Location: in a town near u!
User status: Offline
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mine failed at one garge but passed at other. had to turn the fuel down on my fse to pass last one
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