What this code means

The MAP sensor and barometric pressure readings do not match when expected.

Symptoms

• Check Engine Light
• Poor high-altitude performance
• Incorrect fueling

Common causes

• Faulty MAP sensor
• BARO sensor issue
• Vacuum leak
• Blocked MAP hose

Diagnostic steps

1. Compare MAP and BARO readings at key-on engine-off
2. Check MAP sensor hose
3. Test MAP sensor
4. Check for vacuum leaks

Repair notes

Replace MAP sensor or repair vacuum connection.

Other Powertrain codes on this vehicle