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Author emissions fail!!
ryepye5
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Registered: 8th Aug 11
Location: exeter
User status: Offline
13th Oct 11 at 08:21   View User's Profile U2U Member Reply With Quote
Can anyone help me my emissions failed on the mot today the read out was

66% co but a pass should be 30%. It past on idle but failed on both fast idles any help would be great
Jed D
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Registered: 15th Mar 11
Location: Durham
User status: Offline
13th Oct 11 at 08:24   View User's Profile U2U Member Reply With Quote
tip the tester
Gary
Premium Member

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Registered: 22nd Nov 06
Location: West Yorkshire
User status: Offline
13th Oct 11 at 08:24   View Garage View User's Profile U2U Member Reply With Quote
Lambda?
Phillips_91
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Registered: 20th Jan 10
Location: Blackpool. Drives: Sapphire Black Mk4 Astra 1.8
User status: Offline
13th Oct 11 at 09:15   View User's Profile U2U Member Reply With Quote
cat if it's co
AdamF
Premium Member

Registered: 24th Apr 02
Location: Bexhill, East Sussex
User status: Offline
13th Oct 11 at 09:49   View Garage View User's Profile U2U Member Reply With Quote
CAT worse case,

you could try a fuel cleaner and get it very very hot and try it but doesnt always work, and you will have to get the tester to do it without actually retesting it otherwise you will have to have another full Mot
ryepye5
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Registered: 8th Aug 11
Location: exeter
User status: Offline
13th Oct 11 at 10:09   View User's Profile U2U Member Reply With Quote
So if its high co it must be the cat?
Steve
Premium Member

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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
13th Oct 11 at 10:23   View Garage View User's Profile U2U Member Reply With Quote
leaking exhaust?
JaffaTB
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Registered: 7th Oct 09
Location: Sheffield, South Yorkshire
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13th Oct 11 at 11:55   View User's Profile U2U Member Reply With Quote
mine passed without a cat
daymoon
Premium Member

Registered: 1st Aug 08
Location: Selby, North Yorkshire
User status: Offline
13th Oct 11 at 12:01   View Garage View User's Profile U2U Member Reply With Quote
it's out by miles... lambda...
AdamF
Premium Member

Registered: 24th Apr 02
Location: Bexhill, East Sussex
User status: Offline
13th Oct 11 at 12:23   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by ryepye5
So if its high co it must be the cat?


not just high co no, but a co reading like that with everything else a pass then its likely to be the CAT

steve a leaking exhaust would make the lambda reading high
Steve
Premium Member

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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
13th Oct 11 at 12:25   View Garage View User's Profile U2U Member Reply With Quote
ok m8 no beef
Phillips_91
Member
Registered: 20th Jan 10
Location: Blackpool. Drives: Sapphire Black Mk4 Astra 1.8
User status: Offline
13th Oct 11 at 12:46   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by daymoon
it's out by miles... lambda...


it would show on the emmisions sheet lambda fail
daymoon
Premium Member

Registered: 1st Aug 08
Location: Selby, North Yorkshire
User status: Offline
13th Oct 11 at 12:48   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Phillips_91
quote:
Originally posted by daymoon
it's out by miles... lambda...


it would show on the emmisions sheet lambda fail


i had exactly same on my E36. lambda just passed but the CO level was 2 times over the limit. new lambda sorted it.

 
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