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Author Topic: pre-cats  (Read 482 times)

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unlucky mark mv6

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pre-cats
« on: 22 June 2009, 13:39:30 »
Would i be right in saying that if i rip out the pre-cats on my 3.2,it will solve the problem of the eml light coming on. :-/
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TheBoy

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Re: pre-cats
« Reply #1 on: 22 June 2009, 13:40:22 »
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Would i be right in saying that if i rip out the pre-cats on my 3.2,it will solve the problem of the eml light coming on. :-/
no.
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unlucky mark mv6

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Re: pre-cats
« Reply #2 on: 22 June 2009, 13:47:52 »
Reason i ask is that i ripped the one out of my vec(z22se),and seemed to run ok,so why wouldent it be the same with the v6 engine.
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TheBoy

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Re: pre-cats
« Reply #3 on: 22 June 2009, 13:49:41 »
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Reason i ask is that i ripped the one out of my vec(z22se),and seemed to run ok,so why wouldent it be the same with the v6 engine.
the lamdas take a before and after reading on the precat.

To overcome the precat issue on v6, you need to relocate the after lamdas to beyond the main cat, or replace the precats
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unlucky mark mv6

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Re: pre-cats
« Reply #4 on: 22 June 2009, 13:54:21 »
Thats what lee said the other day when i spoke to him.Bet your sick of me now lee aint ya mate. ;D ;D
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Welung666

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Re: pre-cats
« Reply #5 on: 22 June 2009, 13:57:41 »
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Thats what lee said the other day when i spoke to him.Bet your sick of me now lee aint ya mate. ;D ;D

;D ;D yes  :-X     LOL not really :P

So both lambda's should be behind the main cat once welded up then.
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Re: pre-cats
« Reply #6 on: 22 June 2009, 14:19:21 »
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Thats what lee said the other day when i spoke to him.Bet your sick of me now lee aint ya mate. ;D ;D

;D ;D yes  :-X     LOL not really :P

So both lambda's should be behind the main cat once welded up then.
No, the pre-precat one can stay put. The post precat one moved back behind main cat.  Repeat for other bank on V6
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Welung666

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Re: pre-cats
« Reply #7 on: 22 June 2009, 14:26:36 »
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Thats what lee said the other day when i spoke to him.Bet your sick of me now lee aint ya mate. ;D ;D

;D ;D yes  :-X     LOL not really :P

So both lambda's should be behind the main cat once welded up then.
No, the pre-precat one can stay put. The post precat one moved back behind main cat.  Repeat for other bank on V6

Thank you sir :y
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