I have a P0420 code for 1996 camry. The code reads 'Catalyst efficiency below threshold (bank 1)'. How many Three way catalytic converters are there for 1996 camry. Mine 4 cylinder 2.2l (5S-FE). I read in alldatadiy.com, that there will be two catalytic converters for this model. If yes, then which one do you think failed. Is it the front converter (at the start of exhaust) or the rear converter?
JSB.