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camthe
03-26-2012, 08:07 PM
Could someone tell me how to check both sensors on my 2001 Forester Ltd.I don't know what the different mv readings should be between the two, or the procedure to follow. Also, should the second Catalytic converter have the same temperature reading at the front of the Cat as the back of the same Cat? If it is cooler at the back of Cat # 2 does this mean the Cat is bad? I have no performance issues, and there seems to be a good amount of exhaust coming out of the tail pipe. The check engine light is on and indicates something is below the threshold. I would like to verify the Oxygen sensors first, then the Cats. Thanks very much.
Cam, (Newbie)