nd says that the 02 sensor bank 1 sensor 1 needs to be replaced. Where is this sensor located please?
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2004 Chevrolet Silverado 1500 Question: Just replaced bank 2 sensor 2 on my pickup and today the engine light comes on a
Answer #1pushrod September 03, 2012, 17:11Master
Drivers side front sensor. That is the answer to your question not your trouble code.
Answer #2mastertech6371 September 03, 2012, 18:10Master
code number never identifies a bad part just a failed system. get it checked to be sure.
Replykimkingtaylor, September 03, 2012, 20:53Rookie
trouble code says bank 1 running too lean
Replypushrod, September 03, 2012, 21:05Master
Check for vacuum leak on left (drivers side) of engine. Is eng. running ok.
Replykimkingtaylor, September 03, 2012, 22:46Rookie
Answer #3Greg's Orange Auto (11005 Answers) , Orange, CA - (714) 361-9355globalhelper September 03, 2012, 20:07Master
agree with master tech only the circuit has issue not necess the sensor