my cars just failed the mot on emissions. at the min it has a raceland ss manifold, a supersprint mid pipe and a scorpion back box. normally it is decatted but i put the cat in for the mot. i have 1 lamda sensor in the manifold before the cat and the other is in the engine bay. if i cut a hole in the pipe after the current cat (under car jobbie), weld a nut on it and put the sensor in there, would it work? i.e bring the emissions down?
Important! : emissions
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#1
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#2you should have 2 lambdas in, 1st to adjust fuelling and the 2nd should be after cat to check cat is working.
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#3buy a 1.1 exhaust with cat for MOT time.
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#4does a 1.1 cat have a hole for a sensor after the cat, on the tube bit before it joins the mid pipe?
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#5you need to get friendly with your local mot'ers

or when u take it back, watch them do it and make sure they are getting the engine hot before they take the readings, make sure the fan is coming on. -
#6dont think it would matter how friendly i got with them. the emissions were 12.5 (should be 0.2) so dont think they could easliy turn a blind eye. it was properly heated as well. just taken the cat off and im gonna cut a hole in the pipe after the cat bit, weld a nut on it to take the second sensor. also need to cut down the mid pipe a little inside where it connects to the cat. hopefully it will work then.
if it doesnt work, are there any other cats i could use that have a hole after it? i.e does a1.1 exhaust have 2 sensors, 1 pre cat and 1 post cat? -
#7if you are friendly with them you can get them to put it on another car lol

yeah that should work, do you need a the bit to weld on to the exhaust to put the lambda sensor in? i should be able to get you one for free if you need one. -
#8the bloke i used to deal with has left and the others are a bit too straight. hopefully a bloke at work should be able to sort somthing out today, then i can get it sorted tommorow. if not can i give you a shout?
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#9hmmm, whats your reg, is it sy02jzr by anychance??
if it is the guy you bought it of is a rite con mate. -
#10the 1.1i cat, (whole pipe) doesnt have any holes for another lamdba (sp) sensor, well meh doesnt
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#12e-fingers crossed for you
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#13cheers matey!!
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#14Why is SY02JZR a Con? its mine now just curious......
