Code PO327, PO430???
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From: St.Louis, MO
Re: Code PO327, PO430??? </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by JPJBC:
<strong>p0327 is knock sensor circuit low voltage and the p0430 is catalyst system low efficiency bank 2.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I originally thought that I had a bad O2 sensor, but I was a bit surprised when 2 separate codes were given. Could 430 be an O2 sensor? I might try swapping out the passenger side O2 sensors with new ones from my '02 Z28. What do you think?
Derrick
<strong>p0327 is knock sensor circuit low voltage and the p0430 is catalyst system low efficiency bank 2.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I originally thought that I had a bad O2 sensor, but I was a bit surprised when 2 separate codes were given. Could 430 be an O2 sensor? I might try swapping out the passenger side O2 sensors with new ones from my '02 Z28. What do you think?
Derrick
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Joined: Apr 2002
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From: Lake Charles Louisiana
Re: Code PO327, PO430??? Yes 430 is the right bank sensor 2. That is the one behind the cat. Before going to all that trouble, did you run a O2 system check? Might be worth the trouble.
