Review on 🔧 ACDelco 213-363 GM Engine Camshaft Position Sensor: Premium Original Equipment for Optimal Performance by Matt Wigfall

Remove air intake cover, place face down on engine. Touch the back of the motor with both hands and you will feel the connector for the CPS. Loosen and remove. You can then use the small head and remove the retaining screw. Magic, pull out the CPS and install a new one. Reconnect. If you've done your homework, the Check Engine light on the dash should go out after a minute. Bad CPS can also affect startup, and some rough work can lower MPG a bit. Sometimes it's just a check engine light, but you must turn off that check engine light before doing the smog test.