Egr Valve Carburetor Diagram. Pcv positive crankcase ventilation. The edelbrock 1400 performer series 600 cfm electric choke carburetor is a precisely tuned quality built carburetor that can handle the rigors of daily driving while delivering consistent reliable street performance from day to day.
This allows your chevy pickups engine to burn cooler and release fewer emissions by. If your egr vacuum line has a red blue delay valve in it the blue side should point toward the egr valve and the red side should point toward the cto switch. The egr system works in principle returning a small portion of an engines exhaust gas to the engines combustion chambers through the intake manifold thus lowering combustion temperatures and therefore.
Carburetor cleaner will damage them.
There are six different types of egr valves. Thermactor short for thermal reactor. The typical ported vacuum egr valve consists of a vacuum diaphragm connected to a poppet or tapered stem flow control valve. A small pipe from the exhaust manifold or an internal crossover.