Pressure Feedback Exhaust Sensor: Testing and Inspection

EGR DIFFERENTIAL PRESSURE FEEDBACK SENSOR INSPECTION
1. Disconnect the Powertrain Control Module (PCM) connector.

Special Service Tool (SST)-Break Out Box (Used For Voltage Pin Tests):

2. Connect the Special Service Tool (SST) "Break Out Box" to the PCM.

Test Specifications:

3. Check the voltage at terminal 27 with a voltmeter.
4. If not as specified, replace the EGR Differential Pressure Feedback Sensor.