Technical Definition:

Manifold Absolute Pressure (MAP) / Barometric Pressure (BARO) Circuit Range / Performance

Technical Description:

Possible Causes:

Possible Symptoms:

Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Manifold Absolute Pressure sensor
– Manifold Absolute Pressure harness is open or shorted
– Manifold Absolute Pressure sensor circuit poor electrical connection
– Faulty Engine Control Module (ECM)

Specific Makes:

– Engine rough idle
– Engine hesitation