Question about 2010 Honda Accord
Code p 3400 confirmed fault mode oe 1/3 flashing
Posted by Anonymous on
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Posted on Jan 02, 2017
Posted on Feb 14, 2009
the best way to reset it is with a scan tool.
disconnecting the battery for one minute will also remove the code.BUT
if your smog test uses an OBD scan as part of the process,then there will be a problem,because the monitors will not have been set,as they are reset if the battery is disconnected..
most tests allow only one monitor missing,and not the catalyst .
A drive cycle will have to be done to set the monitors.
Typically cold start coolant temp less than 50F,idle for 2 minutes no air condition, accelerate at half throttle to 50mph then drive 3 minutes with a/c on at 50mph steady.decelerate to 10mph without using brakes..Accelerate to 60mph and drive for 5 minutes at steady speed without a/c
deccelerate without braking and drive for 1 minute at 40mph.
stop the car ,use braking.
Shut off the car and add 4 gallons of gas.do not shut off the car for more than 5 minutes.
drive in 3rd gear or overdrive off with rpm 3000 for 1 minute.
decelerate to 10mph.without braking
accelerate to 40 mph in 4th gear.,or overdrive on
decelerate without braking to 10mph.
this will set the o2 sensor heater ,o2 sensor,catalyst,evap purge.and the other monitors.
Posted on Feb 26, 2010
there is either a problem with the wiring going to the front oxygen sensor, or with the oxygen sensor itself. good luck!
Posted on Mar 31, 2010
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