How to Test EGR Valve
An EGR valve helps to reduce pollution and make your vehicle run more efficiently by recirculating the air from the exhaust back into the engine. When an EGR valve is malfunctioning, you will know, because your vehicle won't idle properly (it will be...
Jun 21, 2012 ... test EGR valve in 2003 Ford Expedition with engine code P0401.
Feb 24, 2014 ... Click Here to Subscribe! http://youtube.com/carsntoys Website: http://carsntoys.
net How to test an EGR valve using a vacuum pump. Don't forget ...
Sep 21, 2015 ... Learn how to test an EGR valve in a few minutes to confirm you actually need a
is located on the intake manifold, and opens a small passageway between the exhaust and intake manifold to allow a metered amount of exhaust to flow back into the engine. If the valve
sticks shut (or is disconnected), NOX emissions will soar and detonation wi... More »
Oct 20, 2009 ... Page 2 of 6: How To Test the GM EGR Valve -Buick, Chevy, Olds, Pontiac. TEST
1: First Things First. TEST 2: Testing the Power (12 V) Circuit.
When the engine is idling, the EGR valve is closed and there is no EGR flow .... of
EGR valve is on the vehicle so you can use the appropriate test procedure.
Aug 1, 2011 ... Ford EGR Valve Test, DPFE Test, Vacuum Regulator Solenoid Test. Ford EGR
Valve Vacuum Solenoid Circuit Descriptions. TEST 1: EGR ...
Mar 26, 2014 ... If you suspect that the EGR valve is behind your engine's rough idle condition...
this tutorial will help you to troubleshoot it with 2 simple tests.
If your car is running poorly, it might be a sign that your EGR valve has a problem.
While there is no conclusive way of testing EGR function at home, you can ...