Just How Important Is An O2 Sensor?

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Old 08-16-2002, 06:15 PM
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Default Just How Important Is An O2 Sensor?

I'm having one hell of a time getting my 4 wire working.
I have a VX Harness and i'm trying to figure out what wires to use in order to get this bosch sensor working.
I'm actually considering running without an O2 sensor at all...
Is this crazy?

BTW. It's in a '92 hatch w/D16Y8 swap Running boost
Thanx for any imput
Old 08-16-2002, 08:06 PM
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Default Re: Just How Important Is An O2 Sensor? (T-sohctec)

Do u still have your vx o2 sensor?
Old 08-16-2002, 08:13 PM
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Default Re: Just How Important Is An O2 Sensor? (T-sohctec)

The car will run like doo doo and you will have a check engine light on forever.
Old 08-16-2002, 09:22 PM
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Default Re: Just How Important Is An O2 Sensor? (SO3Burner)

Wasn't the VX the one with the lean burn and the wideband o2? Is your Bosche a wideband?
Old 08-16-2002, 10:55 PM
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Default Re: Just How Important Is An O2 Sensor? (filetofit)

Wasn't the VX the one with the lean burn and the wideband o2? Is your Bosche a wideband?
Yeah that's the one.
And No the Bosche is not a wideband it's only a 4 wire
But now i'm using the EX ECU and it throws a code with the wide band 5 wire in there.
Hence me putting in a replacement 4 wire. In hopes of getting rid of the code.
My main question is.
Other than not running smoothly will it mess anything up since i'm running boost.
Old 08-16-2002, 10:56 PM
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Default Re: Just How Important Is An O2 Sensor? (legendboy)

Do u still have your vx o2 sensor?
Yes. Are you interested?
Old 08-16-2002, 11:53 PM
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Default Re: Just How Important Is An O2 Sensor? (T-sohctec)

no o2 sensor is gonna give you problems big time..Bogging at times....You'll be running a little more rich..you'll get worse gas miliage....**** like that...
Old 08-17-2002, 12:17 AM
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Default Re: Just How Important Is An O2 Sensor? (SiDESLiDE240)

no o2 sensor is gonna give you problems big time..Bogging at times....You'll be running a little more rich..you'll get worse gas miliage....**** like that...
yep i was getting less than 20mpg while i was o2sensor less.
it would bog, hard in the midrange.
Old 08-17-2002, 05:13 AM
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Default Re: Just How Important Is An O2 Sensor? (KAMiN)

yes the ECU goes into safe mode running with less than optimum performance because it knows something is wrong and it is sort of protecting itself...
Old 08-17-2002, 05:31 AM
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Default Re: Just How Important Is An O2 Sensor? (SO3Burner)

yea my car ran like crap when it was O2-less back in its NA days. i could practically smell it running rich when i was stopped.

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