catalytic converter change?
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catalytic converter change?
i have a 1997 ls 400 coach edition with 180k miles on it. I went to autozone and other auto shops to have my engine light checked, codes are coming up p0420 and p0430, bad catalytic converter, but after reading a few threads on here, i realized it could be an O2 Censor, is there any advise on how to diagnose with out changing both, and if it is the catalytic converter can i change it myself? Also, does anyone know where i can get a diagram of the catalytic converter?
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thank yall sooo much, this is my second LS400 and first time on this forum, i am wanting this car to last me, i called around and people where quoting me $400 to change both, but if i can save a few pennies, i am more than happy too. would this be a simple day-2 day fix for a non car expert? or are they bolt-ons?
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how would i go about verifying which one it could be? my car sometime idles at 200 at a stop, in drive, and there is a little rumble, but does not act like it will shut off, and there is a noise when i drive but i think it was from the previous owner driving it with low tire pressure for too long.
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