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View Full Version : I have a 03 Honda Accord V6, got this engine code: P2631, Which O2 Sensor is it?


myhotrs
Mar 16, 2012, 12:26 PM
Hi all, I have a 2003 Honda Accord V6 coupe. Got this check engine code: P2631 Front Air/Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) LABEL Circuit High Voltage Which O2 sensor is it? Thanks!

TxGreaseMonkey
Mar 16, 2012, 03:53 PM
Bank 1 is always the side of the engine that contains Cylinder #1.

In your Accord, Bank 2 is the side next to the radiator. Sensor 1 is located in the exhaust manifold. Try using a 22mm open-end wrench.