Mitsubishi Code P1297 – No Change in Crank Angle Sensor from Start to Run

Posted by

What are the possible causes of Mitsubishi code P1297?

  • Faulty Manifold Absolute Pressure (MAP) sensor
  • Restricted Manifold Absolute Pressure (MAP) sensor
  • Manifold Absolute Pressure (MAP) sensor harness is open or shorted
  • Poor electrical connection in the Manifold Absolute Pressure (MAP) sensor circuit
  • Faulty Engine Control Module (ECM)
 

How to repair Mitsubishi code P1297?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

 

What are the possible symptoms of Mitsubishi code P1297?

  • Check Engine Light on (or Service Engine Soon warning light)
 

What does Mitsubishi code P1297 mean?

The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module (ECM) detects no change in the Manifold Absolute Pressure (MAP) sensor voltage. Too small a difference is observed between the barometric pressure with ignition on (engine running) and the manifold vacuum for more than 8.80 seconds.

Leave a Reply

Your email address will not be published. Required fields are marked *