Can a faulty EGR valve cause your car to stall?
It may feel as though it is about to stall, it can stumble, and even shake. If you have tried to pass an emissions test recently, only to have your vehicle fail, that can be due to a faulty EGR valve. Once it is replaced, you should be able to pass the test. Your Check Engine Light may come on since the engine is not operating as it should.
Do you need to test the Ford EGR valve?
Testing the EGR system on your Ford, Mercury, or Lincoln car or truck is a pretty easy affair. You don’t need expensive testing equipment to do it and more importantly, with this article you’ll be able to find out exactly what part (of the entire system) is bad and needs to be replaced and in the process saving time and money.
What causes a failure code on an EGR system?
Another common problem causing failure codes in this system is that the tip of the valve will become irregular shaped from carbon deposits. When this happens it no longer creates a perfect seal. This can allow exhaust gas to continue to flow when not called for by the computer. An example would be at engine idle or when the vehicle is cold.
When to replace an exhaust gas recirculation ( EGR ) valve?
At this point the engine burns them again, so there are no emissions to worry about. Typically if your vehicle has been made in the last two decades, it is outfitted with an EGR valve. While there is no set mileage that it should be replaced, it is important to check that it is in good working order.
It may feel as though it is about to stall, it can stumble, and even shake. If you have tried to pass an emissions test recently, only to have your vehicle fail, that can be due to a faulty EGR valve. Once it is replaced, you should be able to pass the test. Your Check Engine Light may come on since the engine is not operating as it should.
When to replace or clean the EGR valve?
Or, the EGR position sensor can fail, causing a check engine light. If your car is running fine at idle and you don’t have a check engine light, there’s no need to replace or clean an EGR valve. Some shops recommend periodic cleaning. I think that’s a waste of money.
Why is there an EGR code on my Ford?
However, we often find EGR codes on Ford products caused by inexpensive plastic parts that falsely report position to the control module. Several technical service bulletins for a wide variety of different makes and models have documented different problems associated with the EGR valve system.
When to test the Ford EGR valve solenoid?
The following are the most common symptoms that a Ford (or Mercury or Lincoln) car or truck will usually experience when there’s a fault in the EGR System: Car or truck runs fine, but the check engine light (CEL) is on with an EGR Valve Fault Code: P0401 EGR System Flow Insufficient. P01406 EGR Valve Pintle Position.