Peugeot 106 Zest - Lambda Sensor

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Wed 4 Apr 2012 11:58
Peugeot 106 Zest - Lambda Sensor - NoseyParker81
I have just had my fault code read on my car is the fault is coming back as the Lambda sensors, but apparently there are 2 sesnors, one within view of the engine bay and the other down the system somewhere. Other 106's only seem to have 1 sensor, why does mine have two and where abouts is it?
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Wed 4 Apr 2012 15:11
Peugeot 106 Zest - Lambda Sensor - unthrottled

If there is a 2nd one, it is a diagnostic one just downstream of the cat.

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Wed 4 Apr 2012 15:28
Peugeot 106 Zest - Lambda Sensor - ChannelZ

I think around 2002 the dual sensors came in - if you have the close coupled cat on the manifold with the sensor sticking out the top, then the second one is at the base of the downpipe underneath.

My 2002 106 had the two sensor setup, one of them was faulty from new, took the dealer 18 months to figure out the problem.

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