What causes an EGR trouble code to be set?
EGR trouble code will be set if the EGR valve fails, or it isn’t flowing properly due to an accumulation of carbon under the valve. The way to fix is EGR valve and system need to be observes and tested, and carbon deposit in the intake manifold EGR passages or under the valve need to clean up or removed.
Why does the fuel management light stay on when the EGR is open?
This means the amount of hydrocarbon gases emitted from the tailpipe increases significantly producing a fuel smell. Your engine management light may stay on once your car detects an issue with the EGR valve. This could be caused when the EGR is either constantly closed or open.
What to do if you have a bad EGR valve?
The first thing you do is to locate your EGR valve. You can take a look at the manufacturer’s guide of your vehicle to help you with this. Then put on your vehicle’s engine and rev your engine to about 2000 rpm. Gently create access to your valve and place your hand on it.
When did the EGR fail on my CR 170?
Just had the EGR valve on my CR 170 fail at 37,00 miles and 34 months old during an important trip. Fortunately under warranty as £1600 to change!
What’s the code for an EGR valve throw?
What code will an EGR valve throw have? The P0401 trouble code is related to your car’s exhaust gas recirculation (EGR) system, which controls an engine and reduces emissions. Suppose a computer-controlled valve gives a certain amount of gases back into your engine to be burnt with the air-fuel mixture.
What happens when your EGR valve fails to open?
The “check engine” indicator will light up on the dashboard when your EGR valve fails. This will happen the moment your vehicle’s central computer senses that the valve is in an abnormal position. For instance, if the EGR valve fails to close or open as it should, the computer will detect an issue and activate the “check engine” light.
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.
What should I do if my EGR light is not working?
The repair of this condition is removal of the EGR valve and inspection of the passageway to check for a blockage. Each model vehicle has different procedures for clearing the passageway due to many different configurations of the system. Some Fords have a removable tube.