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Internal Lambda 1 stuck at 0


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5 hours ago, chickeneatman said:

Do you have an idea of how much current that's required?

I believe under some conditions they can pull as much as 8A for a very short time, but typically <2A.  Just try a temporary new 12V wire with a jumper lead or similar, as it would be pretty unusual to have two bad sensors unless they are fakes.

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My boxes don't have a QR code, and the more I compare them to the o2 sensors on the Bosch website the more differences I spot... Like the insulation on the sensor wires is a silicon fiberglass type, whereas the Bosch units look to have a more plastic sheathing.

I just ordered one verified to be a Bosch unit from a local parts store. I will be able to try that in a few days.


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