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o2 sensor trouble


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Hi Guys,

My Aurion has pop up with "Check VSC" message on the dash, and the OBD2 reports few faults with the O2 Sensor

Trouble Codes

DTC Description ECU

P2198 O2 Sensor Signal Biased/Stuck Rich Bank 2 Sensor 1 $7E8

Pending Codes

DTC Description ECU

P2198 O2 Sensor Signal Biased/Stuck Rich Bank 2 Sensor 1 $7E8

P2241 O2 Sensor Positive Current Control Circuit Low Bank 2 Sensor 1 $7E8

Any ideas?

Cheers

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As both banks have a pending code, it may be something they have in common. Quick and easy check is the A/F relay and fuse (there is only one relay and one fuse), per the below diagram:

93ce2a51.jpg

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As both banks have a pending code, it may be something they have in common. Quick and easy check is the A/F relay and fuse (there is only one relay and one fuse),

At the moment, it's just detecting bank 2, sensor 1 as the one having issues. I worry that it might be the sensor that's dying, checked on ebay and they are expensiveto get.

The fuel usage on the highway is much higher now, up to 9L/100lm from mid 7Ls.

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