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Breva 1100 Lambda exhaust sensor trouble/testing

guzzijimbo

guzzijimbo

Tuned and Synch'ed
GT Contributor
Joined
May 6, 2014
Messages
41
Location
Maleny, Queensland, Australia.
Can anyone tell me how to test my exhaust sensor, my diagnostic machine is giving crazy and erratic readings in that department, I don't want to buy another sensor to find that the problem is not in the there.

The bike is running sweetly but using a bit more fuel that perhaps it should, I understand that if the sensor is faulty and giving readings out side the acceptable parameters the CPU will ignore it and go to a default setting which will probably run the bike a little rich.

Any knowledge out there. Thanks jim.
 
The two black wires are for the heater circuit. Those should have continuity. If you remove the sensor and heat it with a torch, the other two wires will show a generated voltage. It could be that your diagnostic software is working correctly. You should see the voltage changing rapidly while the bike is running. Usually though about every 3 to 4 seconds seems to be the norm. Take a look at this. http://www.lambdasensor.co.uk/main/mtesting.htm
 
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