An illuminated check engine light is another symptom of a bad or failing egr control solenoid.
Egr vacuum regulator solenoid circuit.
If engine vacuum was present after the engine was started and was idling this indicates that the vacuum line is good and delivering the goods to the egr vacuum regulator solenoid.
A bad egr solenoid can cause a variety of different trouble codes so having the computer scanned for.
The egr system must be enabled for the test to be completed.
The next step is now to test the power circuit 12 volt of the egr valve vacuum regulator solenoid go to.
Air should not pass through.
I m leaning towards replacing the evr now but anyone else have further expertise on diagnosing this unit.
The test fails when the egrvr circuit voltage is either too high or too low when compared to the expected voltage range.
I opted to rep.
Get ready to find remove and install the egr vacuum regulator yourself.
The egt vacuum regulator solenoid is an electromagnetic device used to regulate the vacuum supply to the egr valve.
This test checks the electrical function of the exhaust gas recirculation vacuum regulator egrvr solenoid.
Testing the egr vacuum regulator solenoid part 2.
We where getting a p1409 egr vacuum regulator solenoid circuit malfunction meaning either the part is bad or a wire was broken in the harness.
This solenoid contains a coil that magnetically controls the position of a disc to control the vacuum.
If the computer detects an issue with the egr solenoid circuit or system it will set off the check engine light to notify the driver of the issue.
2000 silver metallic v6 auto 112k.
Part 5 how to test the ford egr valve egr vacuum solenoid dpfe sensor however i noticed after a good 5 miles or so the gauge reads nothing no movement at all.
This test checks the electrical function of the exhaust gas recirculation vacuum regulator egrvr solenoid.
Remove one of the jumper wires from the battery and install vacuum hoses on the two vacuum ports located on the egr solenoid.
Blow forcefully through one of the hoses.
The solenoid controls a rapid deployment valve to regulate the flow of vacuum through the ports to the egr valve.
Also the color of the wires of the dpfe sensor or egr vacuum regulator solenoid on your ford or lincoln or mercury vehicle will not match the ones in the photos in the image viewer this is no cause for concern.