Forum > General Corrado chat > Technical question about G60s

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Tornado Tornado from Cyprus (Cyprus) posted @ 9 September 2010 08:49:37
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1990 Corrado 1.8 G60

I'm having a bit of trouble finding an answer to this matter...Can anyone confirm that euro-spec early G60s did NOT come with catalyst and o2 sensor?

My car does not have a cat either an o2 (oxygen/lambda) sensor and I'm trying to find out if this is normal or if the previous owner removed it?

Thanks in advance

Ricorrado Ricorrado from Netherlands (Groningen) posted @ 9 September 2010 10:26:09
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1989 Corrado 1.8 G60

Hm as far as I know it's there, at least on my G60 they are there and she's from '89

Tornado Tornado from Cyprus (Cyprus) posted @ 9 September 2010 10:41:57
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1990 Corrado 1.8 G60

You mean catalyst AND o2 sensor or just o2 sensor???
Can you post a pic of how its connected (wiring)?

Thanks

Ricorrado Ricorrado from Netherlands (Groningen) posted @ 9 September 2010 11:01:11
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1989 Corrado 1.8 G60

yeah both.. but my car aint here for 2 weeks so Im unable to shoot some pics for you, Im sorry. They might have been installed afterwards, a lot has been changed on my car so..

Tornado Tornado from Cyprus (Cyprus) posted @ 9 September 2010 17:04:03
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1990 Corrado 1.8 G60

Mystery solved...The guy that swapped the G60 engine into my car (was 1.8 16V before) did not swap the o2 sensor or catalyst

M4RTiN M4RTiN from Netherlands (Friesland) posted @ 9 September 2010 17:10:41
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1989 Corrado 1.9 TDI
1993 Corrado R32

too bad there are such mechanics in the world that don't look at one part more or less like this


1993 Corrado VR6, LC4U, Porsche CUP 3, Brembo Brakes, Hartmann exhaust http://www.corrado-database.nl/index.php?item=view_corrado&id=2722

Jakemeister Jakemeister from Netherlands (Friesland) posted @ 9 September 2010 21:08:21
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1990 Corrado 1.8 G60

let's put it this way, you can go without the catalyst but the o2 sensor is pretty important to get the car driving smooithly, with a normal setup


60% of the time it works all the time.
-- Brian Fantana


Tornado Tornado from Cyprus (Cyprus) posted @ 9 September 2010 22:16:23
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1990 Corrado 1.8 G60

Yeah, my car passed "smog" test just fine without the cat but I reckon I do need to add the o2 sensor.
I just don't know where to locate the car wiring harness for it to connect the o2 sensor that I will buy...Is it in the ECU wiring harness?

eddy eddy from United Kingdom (Englands North) posted @ 9 September 2010 23:13:59
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1991 Corrado 1.8 G60

have alook at

www.howtopdf.com/1992-volkwagen-corrado-wiring-diagrams/


PS3 online ID: EDDY2WHEELS

www.youtube.com/user/eddyg60


Electrifying Electrifying from Netherlands (Utrecht) posted @ 10 September 2010 01:14:27
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1990 Corrado 1.8 G60

Eddy, your link returns a 404.

@Tornado

As far as i know, the wiring for the O2 sensor comes from the main wiring harness from your ECU indeed.


Spoilers up!

Tornado Tornado from Cyprus (Cyprus) posted @ 10 September 2010 08:29:09
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1990 Corrado 1.8 G60

Thanks, I found a pic on the internet that labels every connection of the ECU wiring and you're right - the o2 sensoe wiring (plug) is there indeed

eddy eddy from United Kingdom (Englands North) posted @ 10 September 2010 19:02:25
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1991 Corrado 1.8 G60

go on the link

put corrado g60 in the search box

go on 1992 volkswagen corrado wiring diagrams

go down to the 1992 vw corrado wir dia ( as above )

go down to the download box


PS3 online ID: EDDY2WHEELS

www.youtube.com/user/eddyg60


Tornado Tornado from Cyprus (Cyprus) posted @ 10 September 2010 19:24:59
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1990 Corrado 1.8 G60

Eddy, what link is that?




eddy eddy from United Kingdom (Englands North) posted @ 10 September 2010 19:42:42
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1991 Corrado 1.8 G60

the 1 in my fist post


the is a wiring diagram on sns chips site


PS3 online ID: EDDY2WHEELS

www.youtube.com/user/eddyg60


Tornado Tornado from Cyprus (Cyprus) posted @ 10 September 2010 20:33:12
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1990 Corrado 1.8 G60



BJMProce BJMProce from Netherlands (Friesland) posted @ 13 September 2010 17:53:23
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1994 Corrado 2.0i 16V

It will probably get a lot better with the fuel consumption also if you put this lambda sensor. Your ECU should run in emergency-mode if a sensor signal to the ECU is missing, and runs on pre-set values. read:sucking your fueltank empty in notime...

ertanoy ertanoy from Turkey (Central Anatolia) posted @ 14 September 2010 14:39:18
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1993 Corrado 2.0i 16V

Once my cousin removed the cat. and ofcourse the lambda in his '90 G60 the consumption went up twice as much.I dont know how is your consumption but i am sure it go way down and your performance will be much better.


I am not Driving Fast.I am just Flying low...How low can you go

Tornado Tornado from Cyprus (Cyprus) posted @ 14 September 2010 16:54:04
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1990 Corrado 1.8 G60

I don't think performance is affected by not having an 02 sensor, but you're right about the fuel consumption Its just that my Corrado is not a daily (only weekend car) and distances are really small here in Cyprus (its a small country, lol) so that's why I really don't notice fuel consumptions

Since the mechanic that did the swap wrapped the o2 sensor wiring together with the rest of the engine bay wiring, I cannot locate it unless I remove the complete wiring from the engine bay...which is a major job

BJMProce BJMProce from Netherlands (Friesland) posted @ 15 September 2010 19:46:32
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1994 Corrado 2.0i 16V

Second option is, to go to a chiptuning company that can remove the lambda out of your ECU system...

Bozo Bozo from Netherlands (Groningen) posted @ 16 September 2010 22:55:30
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1990 Corrado 1.8 G60

g60 needs a lambda driving with out it resolvs in to engine damage.


M4RTiN M4RTiN from Netherlands (Friesland) posted @ 17 September 2010 09:56:35
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1989 Corrado 1.9 TDI
1993 Corrado R32

or install megasquirt with a wideband lambda


1993 Corrado VR6, LC4U, Porsche CUP 3, Brembo Brakes, Hartmann exhaust http://www.corrado-database.nl/index.php?item=view_corrado&id=2722

Tornado Tornado from Cyprus (Cyprus) posted @ 17 September 2010 18:11:48
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1990 Corrado 1.8 G60

I'm seeing a guy tomorrow that can hopefully sort out my wiring mess...
I'll keep you updated how it goes

16v_DUB 16v_DUB from Romania (Muntenia) posted @ 28 September 2010 13:29:32
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1992 Corrado 20VT

Performance is affected as well, the O2 sensor send information to ecu about air-fuel ratio for ecu to know how much fuel and air must use. so if your missing this sensor, you're not running on optimal afr. and as Bozo said, in time you can damage the engine.

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