1997 Accord 2.2L EX 5-speed. I had code P0135 after I replaced the O2 sensor before the cat. I made sure the connection was good and the plugs were clean. I have no voltage on the yellow/black wire on the engine side of the plug. Read somewhere there might be a fuse that is blown and that's why I'm not getting voltage to the heating element. Where is this fuse located if it exists?
here is how you troubleshoot the code.
There is no fuse for the oxygen sensors.
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