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Author Subject: Decat ? Engine management light?
Kevwlsn3

Newbie

Location: Glasgow

Registered: 19 Oct 2013

Posts: 43

Status: Offline
Post #1
OK so after buying a very very nice 6 from a forum member i put it though its paces and the cat went pop.. oops

I called "meerkat" in Kilburnie , dunno if any one has heard of them but all of my friends have used them with very nice results.

i got a price for a decat pipe, however my thoughts and worries are with the lamda sensor?

can any one give me an idea what happens with removing the cat? ive looked for a post on here but haven't found any information as yet.

he guy from the shop said sum thing about the engine light being on , any information regarding this would be great before i say yes to him
Posted 25th Apr 2014 at 11:43
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rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,795

Status: Offline
Post #2
the lambda still plugs into the decat as normal

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Posted 25th Apr 2014 at 11:54
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Kevwlsn3

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Location: Glasgow

Registered: 19 Oct 2013

Posts: 43

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Post #3
Ahh , this is dident know , i assume he is just making a straight pipe with no connection , guess ill tell him no thanks then Smile

thanks rikky
Posted 25th Apr 2014 at 12:01
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rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,795

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Post #4
to be honest you could just buy a boss off ebay for about £2 and weld it on at the same time, that's what i'm doing with my 205 gti6 at the moment as it's not currently got one and the gti6 engine needs the plug

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 25th Apr 2014 at 12:08
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Kevwlsn3

Newbie

Location: Glasgow

Registered: 19 Oct 2013

Posts: 43

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Post #5
sounds like a ball ache tbh , might just get another cat.. but its 3 times the price Razz ha!
Posted 25th Apr 2014 at 12:44
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rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,795

Status: Offline
Post #6
just buy a decat like a magnet or a devil one or something, they've already got the lambda holes in, infact most aftermarket ones do

http://www.306gti6.com/forum/showthread.php?id=159027

http://www.306gti6.com/forum/showthread.php?id=158991

see if any of them are still for sale. are you mating it to an oem system or something else because you'll need the sleeve/fittings to match

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 25th Apr 2014 at 13:40
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Kevwlsn3

Newbie

Location: Glasgow

Registered: 19 Oct 2013

Posts: 43

Status: Offline
Post #7
The guy in meerkat quoted me 100 quid so i think that's a decent price considering its fitted.

However been reading peoples thoughts about them saying loosing a lot of mid range torque?

but tbh just gonna get one , and then source a decent cat that can be delivered without it being urgent and then change it when it comes to MOT time Smile
Posted 25th Apr 2014 at 16:02
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rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,795

Status: Offline
Post #8
but £100 without a lambda boss? you need the lambda plugged in

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 25th Apr 2014 at 16:22
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

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Post #9
you'll get a new devil or magnex decat for that.

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Posted 25th Apr 2014 at 16:38
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buzzbrightyear

Seasoned Pro

Location: hiding all receipts for car

Registered: 09 Jul 2008

Posts: 11,901

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Post #10
Kevwlsn3 wrote:
sounds like a ball ache tbh , might just get another cat.. but its 3 times the price Razz ha!


But if there making it anyway how much more work is required to drill a hole and weld the new boss on to the new steel, piece of p**s to someone with a welder and the skill to use it

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Posted 25th Apr 2014 at 16:46
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devere

Senior User

Location: Saxtead

Registered: 16 Dec 2008

Posts: 810

Status: Offline
Post #11
Surely whoever makes it would be clever enough to think about it and put one in anyway?! as they would surely want to see what they were replacing, and notice the original boss?!
Posted 25th Apr 2014 at 16:52
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jeffers Forum Admin

Location: Leeds

Registered: 14 Dec 2003

Posts: 3,702

Status: Offline
Post #12
Just buy one of these ready made or similar, ready made to fit and £15 more with free delivery...
http://m.ebay.co.uk/itm/351054345149

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Posted 25th Apr 2014 at 18:52
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Kevwlsn3

Newbie

Location: Glasgow

Registered: 19 Oct 2013

Posts: 43

Status: Offline
Post #13
Nah I got my wires crossed he's gonna put the lamda sensor in it, also Peugeot escosse said that putting a decat pipe on a pre v reg is worth it but not with later models I have no idea why thought it was the same engine
Posted 26th Apr 2014 at 01:28
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eddy_gti6

Seasoned Pro

Location: Durham

Registered: 20 Oct 2008

Posts: 8,716

Status: Offline
Post #14
Just dont run a lambda. I dont! Thumbs up

GTi6 uses a narrowband sensor what is only used during idle and whilst traveling at a constant speed. Any other time the ecu ignores the lambda, acceleration / deceleration.

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Posted 26th Apr 2014 at 02:46
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devere

Senior User

Location: Saxtead

Registered: 16 Dec 2008

Posts: 810

Status: Offline
Post #15
That's not sound advice at all. Just because it's not a wideband, it doesn't mean it isn't working all the while!

It will constantly be adjusting the mixture. It's all about the emissions on a standard setup. Your car will be dumping too much fuel in on the standard ecu and no lambda hooked up.

Only on a tuned ecu with specific fuel maps setup can you successfully not use the O2 sensor. And in that case, then you can enable the sensor to only work under certain rpm and/or load points on the map, to control the idle etc..

So at the end of all that, to the OP. Just get a decat with a boss.
Posted 26th Apr 2014 at 12:51
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Kevwlsn3

Newbie

Location: Glasgow

Registered: 19 Oct 2013

Posts: 43

Status: Offline
Post #16
yeah i got one with a boss Smile so all is well......and HOLY RASP.. wasent quiet to start with now not only my neighbours hate me my whole street does

YAS! lol
Posted 2nd May 2014 at 19:56
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alcon

Senior User

Location: Glasgow

Registered: 19 Jan 2005

Posts: 936

Status: Offline
Post #17
Did you get your exhaust done at Meercat then?.....he is good, I've had two systems built by them and they know their stuff. If not, then another one to consider since it's closer to you is https://www.simonscustomexhausts.co.uk which is in East Kilbride and he too is good.

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1999 Rallye (black)
Posted 3rd May 2014 at 13:01
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alcon

Senior User

Location: Glasgow

Registered: 19 Jan 2005

Posts: 936

Status: Offline
Post #18
Damn, I never seem to get these links right!!

click here

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1999 GTi-6 (china blue)
1999 Rallye (black)
Posted 3rd May 2014 at 13:03
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