Chevy Egr Valve Diagram

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Chevy egr valve diagram. Egr valve test 2000 2009. The egr valve on a 1994 chevy is on the lower intake manifold beside the throttle body. Open the hood of the vehicle and locate the egr valve. On a general motors chevrolet or gmc v8 engine the egr exhaust gas recirculation valve is located on the passenger side of the.

If you need durable gaskets to prevent leaks on your vehicle fel pro is the way to go. This location is atop of the engine near the carburetor usually towards the back of the engine near the firewall. And when the egr valve gets stuck open it ll cause a rough idle condition that may hard to diagnose. The egr valve is a circular metal component with a vacuum hose coming off of it.

This tutorial covers the egr valve of the 1987 1995 throttle body fuel injection tbi. Here is how to change the egr valve on a gm 350 v8 engine. Egr valve exhaust gas recirculation valve what should you know the egr valve is designed to cool exhaust gas. The egr valve in photo 4 of 4 with the green check mark is the one covered by this article.

If you can t locate the egr valve refer to your owner s manual. The egr valve in photo 3 of 4 with the red x is not covered by this article and is tested differently. The purpose of the egr valve is to recirculating engine exhaust gas to the back to the engine cylinders. If you need the egr valve test for the egr valve marked with the x you can find it here.

After miles of service the exhaust gas recirculation egr system especially the egr valve will lead to engine performance problems due to carbon buildup components mechanical problems or vacuum hose leaks. Chevy silverado 2007 egr valve gasket by fel pro. The egr valve is a possibility. Consequently this results in the reduction of nitrogen oxide emissions.

By burning exhaust for a second time within the intake system. If you need replacement procedures just let me know. 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. Learning how to test an egr valve will save you time money and some headaches.

To accomplish this task the egr valve is attached to the intake manifold of the engine. Egr valve is pictured below. A leak at the manifold to valve gasket valve to tube gasket even the egr tube to manifold tube nut depending on your particular model. Some of these engines did not have an egr in 2002 but if it did it would be in the diagram below.