Breathtaking Info About How To Clean Egr Valve Passages
The egr system includes the egr valve and the tubing and passages between the exhaust and intake ports.
How to clean egr valve passages. He shows a cool way to clean out both the egr valve, and the connecting passages. Turn off the engine and disconnect the battery. Put the vehicle in park and apply the emergency brake.
Remove your thumb from the vacuum line and try blowing again. The ecm controls the valve according to input from various sensors. The egr passage in the exhaust manifold is curved and is much easier to clean off the car.
The valve contains carbon deposits; Cleaning the egr valve by spraying an egr valve cleaner and using a pipe cleaning brush and dull. Air should blow thru it freely.
Then reinstall the valve and start the vehicle with the vacuum. Consult your owner’s/repair manual to locate the egr valve. Remove the valve and the other components that might get in the way.
I just ran across this short useful video from scotty kilmer. No air should pass thru the valve. Next, spray the egr valve cleaner on the carbon.
Cool trick to clean a clogged egr valve easy and fast.