A bad egr solenoid can cause a variety of different trouble codes so having the computer scanned for.
Egr vacuum regulator solenoid circuit.
Remove one of the jumper wires from the battery and install vacuum hoses on the two vacuum ports located on the egr solenoid.
This test checks the electrical function of the exhaust gas recirculation vacuum regulator egrvr solenoid.
Air should not pass through.
I m leaning towards replacing the evr now but anyone else have further expertise on diagnosing this unit.
The egr system must be enabled for the test to be completed.
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.
Get ready to find remove and install the egr vacuum regulator yourself.
Blow forcefully through one of the hoses.
This test checks the electrical function of the exhaust gas recirculation vacuum regulator egrvr solenoid.
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.
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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.
Testing the egr vacuum regulator solenoid part 2.
The egt vacuum regulator solenoid is an electromagnetic device used to regulate the vacuum supply to the egr valve.
The test fails when the egr vr circuit voltage is either too high or too low when compared to the expected voltage range.
The test fails when the egrvr circuit voltage is either too high or too low when compared to the expected voltage range.
An illuminated check engine light is another symptom of a bad or failing egr control solenoid.
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.
The next step is now to test the power circuit 12 volt of the egr valve vacuum regulator solenoid go to.
This solenoid contains a coil that magnetically controls the position of a disc to control the vacuum.
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The solenoid controls a rapid deployment valve to regulate the flow of vacuum through the ports to the egr valve.