Just replaced bank 2 sensor 2 on my pickup and today the engine light comes on a on 2004 Chevrolet Silverado 1500

nd says that the 02 sensor bank 1 sensor 1 needs to be replaced. Where is this sensor located please?

by in Houston, TX on September 03, 2012
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3 answers 3 comments
ANSWER by , September 03, 2012
Drivers side front sensor. That is the answer to your question not your trouble code.
ANSWER by , September 03, 2012
code number never identifies a bad part just a failed system. get it checked to be sure. Roy
COMMENT by , September 03, 2012
trouble code says bank 1 running too lean
COMMENT by , September 03, 2012
Check for vacuum leak on left (drivers side) of engine. Is eng. running ok. Smooth idle?
COMMENT by , September 03, 2012
Running fine.
ANSWER by , September 03, 2012
agree with master tech only the circuit has issue not necess the sensor