Symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

- Manifold Absolute Pressure sensor harness open or shorted to ground - Manifold Absolute Pressure sensor poor electrical connection - Faulty Barometric Pressure (BARO) sensor - Faulty Manifold Absolute Pressure (MAP) sensor - Engine mechanical problems

When Detected

The Engine Control Module (ECM) has detected a correlation error between the Barometric Pressure (BARO) sensor and Manifold Absolute Pressure (MAP) sensor