Awasome 2001 Honda Odyssey Check Engine Light P0420 Intermittently Comes On 2023. The p0740 is a lock up problem in the torque converter and will probably need a new transmission. Web #1 · jan 20, 2021 my wife owns a 2015 odyssey touring.
The most common fix for p0420 in the honda odyssey is a new catalytic converter, followed by an o2 sensor replacement. First, the check engine light comes on intermittently. A malfunctioning sensor can give false readings, leading the ecu to believe there’s an issue with the catalytic converter.
