Question about 2007 Honda Odyssey
Error codes: P0154 and P2254 are these the same sensor ( Bank 2 Sensor 1 for both errors ) generating diffrent error codes? Or two diffrent sensors?
Posted by Anonymous on
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Posted on Jan 02, 2017
4 or 6 cylinder engine.
It's the rear O2 sensor,the one behind the catalytic converter.
Clear the code with OBDII scanner or remove negative cable for 2 minutes.
Wait until the exhaust cool for 1 hours
Disconnect the connector and clean the contacts with CRC electrical contact cleaner the contacts.
reconnect negative battery cable
Start the car and let the motor warm up.
If the code keeps coming back then you will need to purchase a O2 sensor socket + O2 to change it out.
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Posted on Dec 12, 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
well i would replace the o2 sensor and find out why you got a cylinder 3 misfire,most likely plugs and wires will do the trick
Posted on Oct 09, 2009
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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