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Author Emisions
dean101287
Member

Registered: 22nd Jul 07
Location: Cardiff
User status: Offline
11th Mar 08 at 18:36   View User's Profile U2U Member Reply With Quote

Last week my car failed its MOT on a few things aswell as the emissions. I had a retest today and it passed everything apart from emissions. I fitted a new lambda sensor and the car hasnt been used alot because of the decat so the CAT is relatively new.

Any ideas how to bring it down. one CO reading was 0.6 where it should be 0.3.

[Edited on 11-03-2008 by dean101287]
DAZ1985
Member

Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
11th Mar 08 at 18:38   View User's Profile U2U Member Reply With Quote

fitting the cat should sort it
mattk
Member

Registered: 27th Feb 06
Location: St. Helens
User status: Offline
11th Mar 08 at 18:41   View User's Profile U2U Member Reply With Quote

your not doing bad running that with no cat, stick the cat back on and it should piss it
dean101287
Member

Registered: 22nd Jul 07
Location: Cardiff
User status: Offline
11th Mar 08 at 18:59   View User's Profile U2U Member Reply With Quote

nooooo... the cat is on it now and it still not right
dean101287
Member

Registered: 22nd Jul 07
Location: Cardiff
User status: Offline
11th Mar 08 at 20:19   View User's Profile U2U Member Reply With Quote

anyone?
scottc1088
Member

Registered: 7th Mar 05
Location: Chesterfield Drives: Corsa Gsi, Cbr600
User status: Offline
12th Mar 08 at 07:29   View User's Profile U2U Member Reply With Quote

coolant temp sensor?
FruitBooTeR
Member

Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
12th Mar 08 at 08:34   View User's Profile U2U Member Reply With Quote

This happed with mine Monday, had to fit a new CAT. It worked though got it down from 0.8 to 0.2
Richardhhha
Member

Registered: 29th Sep 07
Location: Croydon, Greater London
User status: Offline
12th Mar 08 at 09:20   View User's Profile U2U Member Reply With Quote

are you running after market enhatst manifold? And are you taking it for a spanking before the test to get it bloody hot? Mine had this problem and i spent £260 sorting it out. Mind envolved new cat, hego, coolant temp sensor, manifold gasket, exhaust o ring, turned out it was the manifold causing all my problems....
Fonz
Premium Member

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Registered: 12th May 06
Location: Newbury, Berks
User status: Offline
12th Mar 08 at 09:21   View Garage View User's Profile U2U Member Reply With Quote

i'm thinking out loud...does a Cat need "running in"?

ie get warmed a few times/substantial amount of time before its at best efficency?
FruitBooTeR
Member

Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
12th Mar 08 at 09:27   View User's Profile U2U Member Reply With Quote

No, i put a brand new one on didnt 'warm' it up worked fine.

 
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