Egr Valve Regulator Solenoid Circuit Fault
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.
Egr valve regulator solenoid circuit fault. The egr system is controlled by the egr control solenoid. When an egr valve is an open position it creates a vacuum leak. It could also remain clogged by carbon and debris. If the valve sticks open.
There are two types of bad egr valves which have different symptoms. It can be closed all the time or open at all times. An egr switch consists of a valve vacuum and solenoid. Testing the ford egr valve egr valve vacuum solenoid and dpfe sensor on ford lincoln mercury and mazda.
The evr solenois can be found by following the vacuum line from the egr valve to the solenoid. A bad egr solenoid can cause a variety of different trouble codes so having the computer scanned for. Your engine has a rough idle a rough idle when starting your vehicle or during brief stops i e. An egr valve can become faulty in two ways.
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. The code 558 in your f 150 indicates that there is a circuit fault in the egr vacuum control solenoid evr or circuits related to the solenoid. The egr solenoid controls the vacuum process through the valve and if it malfunctions major problems can develop. An illuminated check engine light is another symptom of a bad or failing egr control solenoid.
Next disconnect the electrical connector then disconnect the vacuum hoses. Page 1 of 6. When the egr control solenoid is activated a passage is opened up that allows exhaust gases into the intake manifold. The code 1409 in most case is set due to a bad egr control solenoid.
Why is my car s egr valve faulty. Egr valve symptoms can vary however the most common symptoms of a faulty egr valve are explored below. Low engine speeds with a warmed up engine can be caused when the egr is constantly open and a continuous flow of exhaust gases goes into the. Vacuum solenoid valve change the exhaust gas recycling control valve change on vw golf 5 1 9 tdi 1 6 tdi 1k0906283a control valve egr seat vw audi skoda rég.
How to test the ford egr valve egr vacuum solenoid dpfe sensor. Then disconnect the egr vacuum regulator valve.