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what is the job of small holes in the exhaust, after the cat

Posted: Tue Oct 11, 2005 1:56 pm
by murat
what is the job of small holes in the exhaust, after the cat

you can see in the illustration, near number 6-7, hat is the job of these holes??

does anyone have an idea??

RE: what is the job of small holes in the exhaust, after the

Posted: Tue Oct 11, 2005 2:00 pm
by murat

RE: what is the job of small holes in the exhaust, after the

Posted: Tue Oct 11, 2005 2:04 pm
by SimonS4MTM
cant see any holes

RE: what is the job of small holes in the exhaust, after the

Posted: Tue Oct 11, 2005 2:04 pm
by SimonS4MTM
ah, lamda sensor?

RE: what is the job of small holes in the exhaust, after the

Posted: Tue Oct 11, 2005 2:09 pm
by murat
nope, there is a hole closed by the nut(part 6-7). not like a lambda hole, its small, I should have pictured it. There is 2 of them after the cats. one for each.

Posted: Tue Oct 11, 2005 2:12 pm
by murat
to be clear here is a detailed pic

Posted: Thu Oct 13, 2005 9:52 am
by Greg_S
yeah i think simon is right. so that a lamda probe can be put in to test the cats before and after them

Posted: Thu Oct 13, 2005 3:50 pm
by murat
its a small hole, not for lambda, maybe for thermocouple

Posted: Wed Oct 19, 2005 1:38 pm
by SimonS4MTM
why do you ask then?

Posted: Wed Oct 19, 2005 3:51 pm
by Greg_S
LOL