P2174 GMC Low Airflow/Restriction Detected Instantaneous Accumulation
Possible causes
– Restricted air inlet
– Open or short circuit condition
– Failed Manifold Absolute Pressure (MAP) sensor
– Failed Throttle Position (TP) sensor
– Open or short circuit condition
– Failed Manifold Absolute Pressure (MAP) sensor
– Failed Throttle Position (TP) sensor
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P2174 GMC Description
The calculated Manifold Absolute Pressure (MAP) value is greater than the expected MAP value
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,