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Lambda sensor

330 views 1 reply 2 participants last post by  Rob_S 
#1 ·
The ECU light on my astra GSi keeps coming on then going off after a few mins.
I checked the check light and it flashed O2 sensor.
I had a look at the sensor.
There are 3 wires going from the plug to the sensor, half way down one of the wires is broke. Should all 3 wires be connected?
 
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