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Author Topic: Wo is me [lambda sensor]  (Read 918 times)

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ragtopcav

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Wo is me [lambda sensor]
« on: 03 July 2007, 16:43:02 »

So I have some 'issues' a periodic CEL on the dash.

Just pulled the codes from my 1997 R 2.5v6 manual and...

13 - oxygen sensor, No change in voltage/open circuit

89 - Oxygen sensor heater, Low voltage

98 - Oxygen sensor, Open circuit, wiring break

121 - Oxygen sensor 2,      Lean exhaust, weak mixture


The bit I'm baffled by is how to specify between which sensor?

On head #1 [driver's side] there is a new catalyst and a lambda sensor that has done less than 1000miles in my old Saab V6 that I broke on the track  :-[  ; I cut off the Saab harness plug and silver soldered on the Vauxhall plug [same engines btw]. On the other side, head #2,  there is an older aftermarket catalyst and yet another aftermarket lambda sensor but the wires are crimped on with insulation tape wrapped around - I'm hoping this is where the problem lies, p1ss poor installation by a garage that shall remain nameless near Grimsby.

I do have the other known low mileage sensor from my Saab sat in my shed; all I'll need to do is swap/solder the harness up and take it from there; any of you guys wish to coment on my thoughts? Or do you have better knowledge/understanding of the codes I found stored.
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Marks DTM Calib

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Re: Wo is me [lambda sensor]
« Reply #1 on: 03 July 2007, 16:59:20 »

13 - O2 Sensor 1 lead interruption  
89 - O2 sensor circuit 2 volt low  
98 - O2 Sensor 2 lead interruption
121 - Oxygen sensor 2 Lean exhaust, weak mixture  

So....check out the 2-4-6 bank......
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