2001 Honda Odyssey 2.3L EX with error codes P1259 and P0420 what are the possible causes? What does it indicate is at fault?
P1259 HONDA - VTEC System Malfunction
For the proble yo could start by checking the oil level and condition.
More information: https://www.autocodes.com/p1259_honda.html
P0420 HONDA - Catalyst System Efficiency Below Threshold Bank 1
For this problem you may need a catalytic converter. More information: https://www.autocodes.com/p0420_honda.html
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