Deciphering the Code Unlocking the Secrets of RGA Valve Timing

My 93 6sp vert (157K miles, Cats replaced about 30K ago) failed SMOG - High NOx and I suspect the EGR system. EGR valve holds vacuum, ... The valve is normally closed and is opened by the vacuum line running to the valve. If this is the case, then there really is not a need for the EGR block ... Once the vehicle slows down and the engine stops, the EGR valve will return to its closed position and prevent the flow of exhaust gases. Carbon ... In vehicles, the EGR valve, or exhaust gas recirculation valve, is part of the engine management system and is in charge of reintroducing ... In a spark-ignition engine, an ancillary benefit of recirculating exhaust gases via an external EGR valve is an increase in efficiency, as charge dilution ... Open App. This content isn't available. Having issues with your car ... Can you clean EGR valve without removing it? Spray vs. manual ... Residual Gas Analysis (RGA) for Integrated Circuits (ICs) is the identification of gaseous components that can be extracted from a microelectronic package ... RGA valve with a high pressure bypass. At higher pressure, close main valve and open the bypass ... 1 person is watching this item. Promotions and perks ... EGR valves can become stuck 'open' or 'closed' due to a build-up of soot particles, carbon deposits and dirt from fuel. Motorway driving ... Signs of stuck open or stuck closed egr valve going bad. In this ... 9 Most Common Symptoms of a Bad EGR Valve | Signs EGR Valve is BAD.