Thread: P0403 EGR Demon - FIXED

Test 4: If your Multimeter displayed 4.5 to 5 Volts DC : This result let's you know that the EGR Valve's Pintle Position Sensor is getting the necessary Voltage.
Reading: 5.03V

Test 5: If your Multimeter displayed 11 to 12 Volts DC : This result let's you know that the EGR Valve's Pintle Position Sensor is being fed with a good Ground.
Reading: 12.39V

So, regardless... ground and power are present for the pintle position sensor.