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- - PO161 O2 Sensor? (http://www.peachparts.com/shopforum/showthread.php?t=157191)

glenmore

06-28-2006 11:39 PM

PO161 O2 Sensor?

Last couple of weeks I have been getting an intermittent CEL on my 2000 C280 with 44m. The light would go on for a few days then off for a few days. Borrowing a reader from AutoZone produced the code "PO161, Sensor heater circuit malfunction, Bank 2, Sensor 2".

This means the left (driver) rear O2 sensor needs replacing?

Thanks,

glenmore
1991 300CE
2000 C280
1990 LS400

mbdoc

06-29-2006 08:25 AM

Yes, that is correct.

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