o2 sensor error code
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Intermediate
Joined: Mar 2010
Posts: 25
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o2 sensor error code
I've been reading for hours on this and it's hard to get a clear answer...
I installed new pipes and high flow air cleaner, had the bike tuned at HD via a download. Worked good for 10 min, then I get a check engine light and the error codes :
P0151 Rear Oxygen Sensor Low
P0154 Rear Oxygen Sensor Inactive
bike still runs ok but I want to fix this. I did not put new pipe gaskets, just reused the originals, so I am considering a leak but Does anyone have a suggestion?
thanks
I installed new pipes and high flow air cleaner, had the bike tuned at HD via a download. Worked good for 10 min, then I get a check engine light and the error codes :
P0151 Rear Oxygen Sensor Low
P0154 Rear Oxygen Sensor Inactive
bike still runs ok but I want to fix this. I did not put new pipe gaskets, just reused the originals, so I am considering a leak but Does anyone have a suggestion?
thanks
Road Captain
Joined: Feb 2007
Posts: 704
Likes: 23
From: on the mud flats on the edge of slum city
Check the wiring to the rear O2 sensor has not been damaged or has come unplugged.
If it is a Softail then the connector for the rear is under the oil tank and a bitch to get to.
Easier to remove the battery and go through the bottom of the battery box.
Other models just follow the wire and see what you find.
If it is a Softail then the connector for the rear is under the oil tank and a bitch to get to.
Easier to remove the battery and go through the bottom of the battery box.
Other models just follow the wire and see what you find.
Road Captain
Joined: Feb 2007
Posts: 704
Likes: 23
From: on the mud flats on the edge of slum city
Perhaps swap the front to the rear and the rear to the front and see if the problems moves with it.
If it does then it probably is a bad/damaged sensor.
I have seen them get damaged during removal if they were tight.
If it does then it probably is a bad/damaged sensor.
I have seen them get damaged during removal if they were tight.
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