Question about 2002 Toyota Camry
How to fix this problem
P0420 is a catalytic converter code. the ecu measures the difference between the upstream and downstream o2 sensors. your converter may be covered by warranty (check with your dealer)unless it has been damaged by the failure of a sensor or module such as an ignition module. hope this helps
Posted on Feb 05, 2009
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Posted on Jan 02, 2017
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