EGR valve: Valve that enables the recirculation of exhaust gases into the intake duct.
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It is an anti-pollution device. As the exhaust gases have recirculated, the creation and emission of nitrogen oxides are reduced. These oxides are highly contaminant and they are regulated by many current automotive regulations.
I’ve been working on this truck for a while now and I’ve managed to fix all problems that my check engine light reports. There is no longer any check engine lights but I’m still experiencing some problems. When ever I’m in a parking lot about to reverse park, my truck will suddenly cut its self off. I am also experiencing some poor engine responses as well as delayed acceleration. I’ve replaced spark plugs/wires, all O2sensors, EGR value, air filter, and gas filter also have done a gas treatment.