P1297 – No Change In MAP Sensor Voltage

P1297 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1297 Possible Causes

Faulty Manifold Absolute Pressure (MAP) Sensor,Restricted MAP Sensor,MAP Sensor harness is open or shorted,MAP Sensor circuit poor electrical connection,Faulty Engine Control Module (ECM)

P1297 Description

The Engine Control Module (ECM) detects no change in Manifold Absolute Pressure (MAP) sensor voltage. Too small difference is seen between Barometric Pressure with ignition ON (Engine Running) an the manifold vacuum for more than 8.80 seconds.