Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
You have to go to a Honda dealer and they will give you the code.
Open the trunk and check to see if the code is on the underside of the trunk lid. (That is where I find the code to my Honda Accord) If you do not have the code click the link, sign up at the Honda Owner's Link, and then click get radio code.
get the code
It is a 420cc motor. Such as a Honda Fourtrax "400" is a 400cc.
No one can tell you this code for free but Honda will tell you what it is free of charge. Just click the link I will post and register your Honda on the Honda Owners Link. Once you do that you will be able to get the code with your VIN #, phone #, and serial # off there radio. The instructions will tell you how to find the serial #.
Trouble code P0404 means: O2 (B1 S1) Heater Circuit
Check Engine code of P0404 (EGR)
Trouble code P0404 means: EGR Position Sensor Signal Performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means: EGR Position Sensor Signal Performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means: EGR Position Sensor Signal Performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance