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If the check engine light in your Chevy Cruze comes on, it's crucial to immediately pull over and stop driving. Continuing to drive while the check engine light is on can potentially harm engine components due to a detected fault. Once you've safely stopped, you can utilize an OBD II scan tool to identify the issue. If you receive a code P2227, it indicates a fault with the barometric pressure sensor. This situation results in the vehicle's ECU losing communication with the sensor, potentially causing the engine to run poorly as it lacks accurate air pressure information.
The P2227 code on a Chevy Cruze means that the engine control module (ECM) uses the barometric (BARO) sensor to measure atmospheric pressure, which can be influenced by weather conditions, air density, and elevation. If the voltage sent back to the ECM is either too high or too low, the P2227 code will be triggered.
I just swapped out the barometric sensor on my Chevy 2011 2500 HD, but the engine light returned.