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Author Topic: Engine Management Light/Oxygen Sensor  (Read 836 times)

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beaker

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Engine Management Light/Oxygen Sensor
« on: 08 October 2007, 20:50:53 »
The engine management light has been intermittantly coming on and off for about a week :(.  While there seems to be no loss in performance while driving, idle seems lumpy.  Have carried out the 'paper clip' test and have two fault codes:

13 - O2 Sensor 1 lead interruption.
39 - O2 sensor circuit 1 volt High.

Looking underneath I can see two O2 sensors, one in each down-pipe.

Does anyone know which is Sensor 1 or circuit 1?

beaker
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TheBoy

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Re: Engine Management Light/Oxygen Sensor
« Reply #1 on: 08 October 2007, 20:54:02 »
I think sensor 1 is bank one (1/3/5 cylinders)
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Grumpy old man

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Re: Engine Management Light/Oxygen Sensor
« Reply #2 on: 08 October 2007, 20:55:31 »
I'm inclined to agree, I think it's the offside / drivers side
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cem_devecioglu

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Re: Engine Management Light/Oxygen Sensor
« Reply #3 on: 08 October 2007, 20:58:35 »
94 model.. If I was, will change both.Anyway these lambda sensors are at the end..  
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