Failing emissions
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Hi guys im still failing emissions even with cats on my classic?
Its failing the CO limit is 0.300% mine did a 2.456% Matt the bloke i borrowed the exhaust off said his passed around a year ago with it on, so any sudjestions guys? Maybe i could try another catted exhaust first?
Thanks guys
Daz
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Its failing the CO limit is 0.300% mine did a 2.456% Matt the bloke i borrowed the exhaust off said his passed around a year ago with it on, so any sudjestions guys? Maybe i could try another catted exhaust first?
Thanks guys
Daz
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The one thats on there right now is the whole exhaust from Matt, so i guess i need to borrow all of it, really urgent now cause there is no MOT on there right now
Thanks guys
Daz
Thanks guys
Daz
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I had a similar problem with my RA and a local MOT garage told me to take the car for a short drive and not to go above 3rd gear at about 4 to 5k rpm for about 5 mins to get the exhaust really hot.
I then took it back in and got it tested straight away and it passed.
I then took it back in and got it tested straight away and it passed.
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im matt, lol, i tested the car in for for daz today, and it way off. the exhaust on his car is cuurently mine. which i had no issues with, but it may av broke down on my car but i havent re tested with it so dont know.
i fitted a new lambda sensor onto daz car but that made no diff.
iv checked for power to the sensor and thats all fine.
so conclusion is from print outs from machine cats r knackered.
on the 96 impreza, how many lamda sensors where there, one or 2, and the exhaust i fitted on to daz car was from a 98. i cant see that being a issue unless the early cars had 2 sensors?
looking if possible to borrow a exhaust to fit, and re test emissions. trying to troubleshoot best possible for daz before it starts costing money if the problem isnt cats.
i fitted a new lambda sensor onto daz car but that made no diff.
iv checked for power to the sensor and thats all fine.
so conclusion is from print outs from machine cats r knackered.
on the 96 impreza, how many lamda sensors where there, one or 2, and the exhaust i fitted on to daz car was from a 98. i cant see that being a issue unless the early cars had 2 sensors?
looking if possible to borrow a exhaust to fit, and re test emissions. trying to troubleshoot best possible for daz before it starts costing money if the problem isnt cats.
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Both the early and late classic have 1 Lambda sensor and 1 "Cat on fire" sensor. The only difference being the early car had the lambda sensor positioned in the headers and the later car having the sensor positioned in the downpipe.
If the car is running a standard map, fitting an after market VTA dump valve has been known to make the car run rich, but this will only be while on throttle.
If the car is running a standard map, fitting an after market VTA dump valve has been known to make the car run rich, but this will only be while on throttle.
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After some reading through old posts on here, a guy said that 95 and below imports do not require advanced emissions tests only a standard one and dont require a cat either is this true?
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Today the CO was at 1.5% so i will be ringing vosa tomorrow and giving the phone to the tester and he should then test it as a non cat car limit which it 3.5% so it will fly through
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all iv found really is this, daz sed car was registered in november 95, so wud need full cat test. for his sake i hope it doesnt tho.
http://i186.photobucket.com/albums/x.../emissions.jpg
![](http://i186.photobucket.com/albums/x114/shevooxa/emissions.jpg)
u may need 2 save image and zoom in a bit
http://i186.photobucket.com/albums/x.../emissions.jpg
![](http://i186.photobucket.com/albums/x114/shevooxa/emissions.jpg)
u may need 2 save image and zoom in a bit
Last edited by mje_wrx; 30 December 2008 at 07:37 PM.
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Phoned Vosa up and they say to have non cat emission you need to get proof that your car was built before july 95 and if you dont it needs full cat... ive had a good look through the stuff we got for the car and all i got is the register date which is november
I also phoned the people thats stamped on the log book and they looked in their records and all they have for the car is the chasis number and engine and that the car is green...
Dont know what to do now do i spend out more replacing parts and hope it passes? or how would i get proof that it was built before july 95
Help please!
I also phoned the people thats stamped on the log book and they looked in their records and all they have for the car is the chasis number and engine and that the car is green...
Dont know what to do now do i spend out more replacing parts and hope it passes? or how would i get proof that it was built before july 95
Help please!