2003 Cadillac Cts Downstream O 2 Sensor

2003 Cadillac Cts Downstream O 2 Sensor. The third is graph is a result of a bad cat.notice the. Light Sensor The light sensor for the DRL and AUTO headlamp feature is located on top of the instrument panel.

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With the testing instructions, in this tutorial, I'll show you how to test them and find out if they are good or bad. Your CTS's oxygen sensors are responsible for helping to keep your engine running at optimal efficiency. Enter your vehicle info to find more parts and verify fitment.

With the testing instructions, in this tutorial, I'll show you how to test them and find out if they are good or bad.

When i was driving back to home The check engine light came on and had two codes.

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Two upstream sensors (between the exhaust manifold and catalytic converter) and Two downstream (between the catalytic converter and muffler). Your CTS's oxygen sensors are responsible for helping to keep your engine running at optimal efficiency. Light Sensor The light sensor for the DRL and AUTO headlamp feature is located on top of the instrument panel.