The next step is now to test the power circuit 12 volt of the egr valve vacuum regulator solenoid go to.
Egr vacuum regulator solenoid valve open circuit.
A bad egr solenoid can cause a variety of different trouble codes so having the computer scanned for.
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Testing the egr vacuum regulator solenoid part 2.
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.
When a vehicle s combustion temperature rises above 2500 degrees the egr valve opens and the vacuum draws in exhaust to help balance out harmful emissions.
Check for damaged components and look for broken bent.
Visually inspect the related wiring harness and connectors.
Poor electrical connection in egr vacuum regulator solenoid circuit.
An illuminated check engine light is another symptom of a bad or failing egr control solenoid.
An egr switch consists of a valve vacuum and solenoid.
Open or shorted egr vacuum regulator solenoid harness.
This being a ground side switch circuit that with the key on engine off.
The egr solenoid controls the vacuum process through the valve and if it malfunctions major problems can develop.
Get ready to find remove and install the egr vacuum regulator yourself.
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.
Defective pcm rare how to check.