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oxygen sensor and bogging problem
http://4g61t.org/forum/viewtopic.php?f=17&t=8343
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Author:  colt-r-old [ Wed Apr 07, 2004 12:58 pm ]
Post subject:  oxygen sensor and bogging problem

I think my sensor is toast, can i use my 1G TSI sensor? also its never been replaced so how am i going to get it off? i stand behind the car and i cant stand the smell. I'm not sure whats with the car, i dont think its my cat or muffler, i got some nastiness coming out of it...also, the car bogs could it be the sensor or ecu on its way south? i just replaced the injectors and put some treatment through....can any one give me some feedback.
It wont pass emission and i dont know what to do about it.
Thanks
-Dom

Author:  Berserko [ Wed Apr 07, 2004 2:20 pm ]
Post subject: 

No the Sensor on a 1G is a 4 wrire the 4g15 is a 2 wire....

Author:  The Ethereal [ Thu Apr 08, 2004 8:40 am ]
Post subject: 

Berserko, why shouldn't he be able to use it? He just has to wire the extra heater wires to GND and to the purge control solenoid (sp?).

Author:  Berserko [ Thu Apr 08, 2004 9:38 am ]
Post subject: 

Well I should rephrase it... its not plug and play..

Author:  The Ethereal [ Thu Apr 08, 2004 12:19 pm ]
Post subject: 

Quote:
its not plug and play..
OK that's true.

Author:  kjmerkel69 [ Thu Apr 08, 2004 7:06 pm ]
Post subject: 

Quote:
...purge control solenoid (sp?).
Your spelling is correct. :)

Author:  The Ethereal [ Sat Apr 10, 2004 8:37 am ]
Post subject: 

Thanks Kyle! :D

Author:  Fro-Daddy [ Mon Apr 19, 2004 6:47 am ]
Post subject: 

ive got an o2 sensor prob aswell...smells like crap!

ive been told that after 100,000 kms (yes im in australia) which is about 60,000 miles i think they become officially shagged...

the o2 controls the air/fuel under 2000rpm while the ecu controls it above that. they are cheap to buy...

anyone else in aus??

Author:  dsmracer [ Mon Apr 19, 2004 7:33 am ]
Post subject: 

[quote="Fro-Daddy"]ive got an o2 sensor prob aswell...smells like crap!

ive been told that after 100,000 kms (yes im in australia) which is about 60,000 miles i think they become officially shagged...

the o2 controls the air/fuel under 2000rpm while the ecu controls it above that. they are cheap to buy...

anyone else in aus??[/quote

If it actually smells like crap then that's your cat going out. And I don't know about in the land of Oz, but the o2 sensor keeps track through the whole power band. It's how the ECU knows what's up.

Author:  CaptHowdy [ Mon Apr 19, 2004 8:46 am ]
Post subject: 

It's not the cat, it was fitted with a new cat not too many miles ago (remember wrotek?)

Author:  Fro-Daddy [ Mon Apr 19, 2004 9:12 pm ]
Post subject: 

if you run your car with no o2 sensor the car idles as rich as ya mum...this happens all the way until 2000rpm...where the ecu takes over.

if i reset my ecu, and get a new o2, will that stop my car from running rich?

Author:  The Ethereal [ Wed Apr 21, 2004 1:31 pm ]
Post subject: 

The ECU controls A/F mixture in closed-loop which is sustained from idle to a certain rev limit (4000...5000 revs), and if the coolant is warm, and the throttle isn't moved w/ more then a certain speed or amount.
To learn more about open- and closed-loop modes, read the DSM ECU primer somewhere on the net.

You could try resetting your ECU, but I doubt it will gain anything. A new O2 sensor AND resetting the ECU will probably solve the whole problem.

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