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The EGR valve for the 2006 Chevy Silverado can be found next to the engine oil cap. EGR stands for Exhaust Gas Recirculation, which allows a small amount of exhaust gas to re-enter the intake manifold to reduce emissions. Signs of a faulty valve include rough idling, increased emissions, misfiring, and poor acceleration. Replacing the valve is a simple task that costs between $80 to $200, much less than hiring a professional. All you need is the new valve and gasket, a ratchet, an extension, and a 10mm socket. Remove the old EGR by unscrewing the two bolts, then install the new EGR with the gasket, tightening the bolts by hand first. Reconnect the connector, and the job is complete.
I'm pretty sure that Chevy engines haven't had EGR systems since 2000. From 1998 to 2000, they had them on all the Chevy LS engines, except for the Corvette. Even for California emissions standards, Chevy engines no longer require or utilize EGR systems, at least that's my understanding.
The location of the EGR valve for a 2006 Chevrolet Silverado is on the intake manifold.
I'm having trouble locating the EGR valve on my 2006 Chevrolet Silverado. Despite getting advice from many people, there are no videos showing its location, and the part stores don't even have it in stock. I trust Dan Gordon's recommendation on this matter. Collx believes the EGR is causing my problems, and I am frustrated dealing with the issues of a faulty EGR valve. Grrr!