Severity: Fix within days. Drive with caution and watch for new symptoms.
The intake pressure sensor is sending a signal above the computer's maximum, which usually means a wiring fault or a sensor stuck at a high reading.
Check the wiring for shorts, verify the vacuum port is clear, and replace the sensor if its reading stays high.
The engine may run rich and idle rough. Drivable with care.
You can drive short distances carefully; watch for worsening symptoms. The engine may run rich and idle rough. Drivable with care.
The most common causes are: Failed MAP sensor; Short to power in the sensor wiring; Blocked vacuum port; Damaged connector. A scan tool and a visual check of the parts above is where a technician starts.
Check the wiring for shorts, verify the vacuum port is clear, and replace the sensor if its reading stays high.
