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Author Topic: Eml again  (Read 1653 times)

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unlucky mark mv6

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Eml again
« on: 17 May 2009, 19:52:45 »
 Yes its back again,but this time its throwing up code 0430 as opposed to 0420This was reset thursday,and been fine till today.Any ideas anyone.By the way,must say wellung your a top bloke for resetting it,yes you can guess whats coming next,any chance of round 2 mate. LOL :y.
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3.2omegaestate

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Re: Eml again
« Reply #1 on: 17 May 2009, 19:57:04 »
0430 relates to the catalyst operating below the efficiency limits, as is 0420. It is the other bank that has generated this code compared to the 0420 code.

These codes relates to the pre cats on both banks, a common ailment of the 3.2 and 2.6 engines.

HTH
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VXL V6

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Re: Eml again
« Reply #2 on: 17 May 2009, 19:57:05 »
Welcome to the world of 3.2 Precat failure.... nothing to worry about, car will fly through emissions test as main cats are plenty good enough to do the job.

Info here:-

 http://www.omegaowners.com/forum/YaBB.pl?num=1223977027
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unlucky mark mv6

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Re: Eml again
« Reply #3 on: 17 May 2009, 19:59:55 »
Would it be ok to rip these out and is it a big job?.
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Welung666

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Re: Eml again
« Reply #4 on: 17 May 2009, 20:01:56 »
Quote
Yes its back again,but this time its throwing up code 0430 as opposed to 0420This was reset thursday,and been fine till today.Any ideas anyone.By the way,must say wellung your a top bloke for resetting it,yes you can guess whats coming next,any chance of round 2 mate. LOL :y.

No problem Mark, it was showing both 0420 and 0430 when I reset it last time, it's CAT efficiency on each bank, need the lambda's moving back like we spoke about. :y
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unlucky mark mv6

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Re: Eml again
« Reply #5 on: 17 May 2009, 20:06:44 »
Quote
Quote
Yes its back again,but this time its throwing up code 0430 as opposed to 0420This was reset thursday,and been fine till today.Any ideas anyone.By the way,must say wellung your a top bloke for resetting it,yes you can guess whats coming next,any chance of round 2 mate. LOL :y.

No problem Mark, it was showing both 0420 and 0430 when I reset it last time, it's CAT efficiency on each bank, need the lambda's moving back like we spoke about. :y
Cheers bud,how does some time tomorrow sound mate. :y
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Welung666

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Re: Eml again
« Reply #6 on: 17 May 2009, 21:00:09 »
Quote
Quote
Quote
Yes its back again,but this time its throwing up code 0430 as opposed to 0420This was reset thursday,and been fine till today.Any ideas anyone.By the way,must say wellung your a top bloke for resetting it,yes you can guess whats coming next,any chance of round 2 mate. LOL :y.

No problem Mark, it was showing both 0420 and 0430 when I reset it last time, it's CAT efficiency on each bank, need the lambda's moving back like we spoke about. :y
Cheers bud,how does some time tomorrow sound mate. :y

No probs, gimme a bell before you set off just so you know where I am ;) :y
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VXL V6

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Re: Eml again
« Reply #7 on: 17 May 2009, 21:02:51 »
You'll get used to the Emissions lamp coming on all the time and give in resetting it after a month or so!

My last 3.2 used to illuminate the lamp every 2 - 3 days!

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Entwood

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Re: Eml again
« Reply #8 on: 17 May 2009, 22:08:29 »
Quote
You'll get used to the Emissions lamp coming on all the time and give in resetting it after a month or so!

My last 3.2 used to illuminate the lamp every 2 - 3 days!


This is probably the kiss of death ..... but mine has only come on twice in a year :)  Up in the mountains of southern France last August, when it had been driven pretty hard, and then early October, both were 0420. Other than those ... nothing  :)
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Proz

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Re: Eml again
« Reply #9 on: 17 May 2009, 22:19:53 »
Quote
You'll get used to the Emissions lamp coming on all the time and give in resetting it after a month or so!

My last 3.2 used to illuminate the lamp every 2 - 3 days!


Same with my 2.2  :-/
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Welung666

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Re: Eml again
« Reply #10 on: 17 May 2009, 22:26:13 »
The 0420/0430 is common when the pre-cats start to fail, simply (well not so simple but...) moving the pre-cat Lambda sensors to just behind the pre-cats normally cures it for good.

[edit]Unless your on a single cat downpipe like Proz[/edit]
« Last Edit: 17 May 2009, 22:26:54 by Welung666 »
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Iain

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Re: Eml again
« Reply #11 on: 17 May 2009, 22:28:36 »
And me! >:(
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Welung666

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Re: Eml again
« Reply #12 on: 17 May 2009, 22:38:33 »
Nothing to do with me but THIS is what you need to get welded in between the cats and use the plug to seal the pre-cat hole. It needs to be a pressure tested airtight weld though or it'll cause more problems come MOT emissions time :y
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MikeDundee

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Re: Eml again
« Reply #13 on: 18 May 2009, 06:08:39 »
Used to have the same problem, til Mark got his hands on the car and thats now fixed pre-cat lambda's gone, no EML problem now :y, don't think he moved them back, pretty sure he removed them completely ::) - pretty sure Bob.dent has the same probelm with his.
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Welung666

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Re: Eml again
« Reply #14 on: 18 May 2009, 08:20:04 »
Quote
Used to have the same problem, til Mark got his hands on the car and thats now fixed pre-cat lambda's gone, no EML problem now :y, don't think he moved them back, pretty sure he removed them completely ::) - pretty sure Bob.dent has the same probelm with his.

Now I'd be interested in how that works :y
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