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Re: Pre and Post cat. O2 sensor graphs
Posted to Technical Theory Forum on 6/29/2002 4 Replies

Hi Lance,

I wanted to find out if a converter on a 1996 Toyota Camry needed replacing based on a P0420 code AND the B1S1 & B1S2 waveforms in this post:

OK, Who's right? Toyota OBDII or California BAR?

The car did have the MIL on, code PO420 Set, and I co... Login to read more.

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