04ls430 Oxygen Sensor

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Sep 23, 2007 | 01:01 AM

HKLexus430

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04ls430 Oxygen Sensor

when i charge the catalyzer to racing catalyzer,my engine light, TRC Off light, will on... is it the oxygen sensor problem

Sep 23, 2007 | 07:47 AM

LiCelsior

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From: NY

most likely it is the o2 sensor, u might need to replace the sensor too.

Sep 26, 2007 | 07:30 PM

Stelth91

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From: Illinois

Are you sure you didn't press the TRAC OFF button on the panel near the shifter? Honestly, i have no idea what you are trying to say. Something about charging the Catalytic converter?

Sep 28, 2007 | 11:58 AM

HKLexus430

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i didn't press the TRAC OFF button, I think is the catalytic!! coz i have charging it to Junction Produce Racing Catalytic

Sep 28, 2007 | 12:30 PM

bigcory

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From: Ca

I'm pretty sure he's trying to say

"when i charng the Catalytic Converter to a racing Cat, my engine light & TRC Off light turn on. Do you guys think it is a oxygen sensor problem?"

If you replaced the Cat, it will probably trigger an engine light due to the sensor. In my Grand Prix, when they change out the Cat, you have to have a Simulated O2 to keep things working. Not sure why it would cause the traction control light to turn on though....