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May 25th, 2020, 01:53 PM   #1
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'11 FE 570 EU - lambda sensor issues

I recently bought a 2011 FE 570 EU-model and am trying to find out why it's CO value is quite high. I don't know if it still has the original mapping on it. I tried to check the lambda sensor but I'm getting a strange result.

I did bridge two pins in the diagnostic plug before the battery so that the electric circuit is active (lights are working etc).
The two white lines that heat the sensor have 12,4 Volt on the bikes side. The two white lines on the sensor side have 8 Ohm resistance, as they should have. So this seems all fine.
- The sensor however doesn't get warm when I connect it to the bike, not even if I ground it on the exhaust.
- I didn't start the engine because the bike is in my living room but I would expect that current on the sensor should heat it, no matter if the engine runs? Is that assumption right?
- Can a lambda sensor fail but still have the required amount of resistance (8 Ohm)?
- Is it possible that the bike has a US-mapping (because they are less lean) and the Lambda-sensor is deactivated?

Thanks,
Thomas
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May 26th, 2020, 07:29 AM   #2
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I've reassembled everything, pulled her outside and started the engine: the lambda sensor still doesn't heat up. So either it's broken, despite the fine Volt and Ohm readings, in a rather non-standard way, or it is inactive (but still gets the current as if it where active). Weired...
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