Having problems with your 2006 Chevrolet Impala ?
Where and how many o2 sensor's on a 2003 chevy impala?
\015 How many oxygen sensor's, and where are they located on a 2003 chevy impala?\015
There are two sets of 02 sensors on most cars today. On set is set directly behind the header, one on each side, if it is a V engine. This set is used for the engine's ECU to control timing as well as other variables. The other set is placed on a bung in your Catalytic converter. This 02 sensor is used for emissions purposes only.
Repair Help & Product Troubleshooting for 2006 Chevrolet Impala
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