Where is the EGR valve on a Chevy pickup?

The EGR or exhaust gas recirculation valve on a Chevrolet pickup is located on the intake manifold near the carburetor. The EGR valve draws exhaust gases from the exhaust system and reintroduces them into the combustion chamber.

What happens when the EGR valve gets stuck on a GM 4.3L?

This tutorial addresses a very common problem I’ve seen on the 1987-1995 GM 4.3L, 5.0L, and 5.7L engines with throttle body fuel injection system: a stuck open EGR valve. And when the EGR valve gets stuck open, it’ll cause a rough idle condition that may hard to diagnose.

How often do you need to replace the EGR valve?

Remove and replace the EGR valve. Clean the carbon deposit on EGR pintle. Clear the trouble codes and test for proper operation of EGR valve. It is a good idea to get an air induction (carbon cleaning) service performed every 50,000 miles. This will clean out any sludge or carbon build up in the air intake system.

How do you replace the EGR valve in an Audi A6?

Scan the computer system in the car. Check all vacuum related hoses to EGR valve. Test EGR transducer. Verify the EGR port is not plugged. Remove and replace the EGR valve. Clean the carbon deposit on EGR pintle. Clear the trouble codes and test for proper operation of EGR valve.

Where is the EGR valve on a 1994 Chevy?

This will ensure that the components are cool and prevent potential burns. Open the hood of the vehicle and locate the EGR valve. The EGR valve on a 1994 Chevy is on the lower intake manifold beside the throttle body. The EGR valve is a circular metal component with a vacuum hose coming off of it.

How can I tell if my EGR valve needs to be cleaned or replaced?

When the EGR valve is clogged or malfunctioning, it can cause irregularities in engine performance such as rough idling or valve knock, indicating that the EGR valve should be inspected. A trusted mechanic may be able to repair the EGR valve instead of replacing it.

Where can I buy a Delco EGR valve?

Won’t pass the state mandated emission test. You can find the EGR valve in any auto parts store. If you’re wanting the buy the original AC Delco (Delphi) EGR valve, you can buy it online for a whole lot cheaper than somewhere local. The following links will help you comparison shop for the AC Delco and after market EGR valves:

What kind of sensor does an EGR valve use?

A traditional and most common EGR position sensor is a three pin type with a reference voltage, Ground, and Signal. If the EGR valve in your car is vacuum actuated, perform the bench-test of the position sensor using a vacuum pump and a DMM.

Where is the EGR located on a 2009 Dodge Avenger?

where is the EGR located on a 2009 dodge avenger 2.4L? The 2009 Dodge Avenger EGR valve is not shaped like the old EGR valve; it is a cylinder shape on this vehicle. It is located on the left side of the engine near the front. Where is the E.G.R. valve located on a 2011 Mazda MX5?

What to do if your EGR valve is cracked?

Inspect the EGR valve for damage. Loosen any bolts fastening the EGR valve to the engine. Inspect the gasket lining the bottom plate of the valve. If it’s not frayed or cracked, you can reuse it.

Where can I find the EGR valve test?

The EGR valve in photo 3 of 4 (with the red X) is not covered by this article and is tested differently. The EGR valve in photo 4 of 4 (with the GREEN check mark) is the one covered by this article. If you need the EGR valve test for the EGR valve marked with the X, you can find it here:

Is there a negative pressure valve for EGR?

This guide is for troubleshooting EGR problems on TBI engines (1987-1995) using a negative pressure (vacuum-operated) valve, which are the majority of the TBI 5.0 and 5.7 truck engines. If in doubt, check the part number on the valve, it should end with an “N” for negative.

How to test the GM EGR valve-Buick, Olds, Olds?

By looking at the base of the EGR valve. To illustrate this, look at photo 3 of 4 and photo 4 of 4 in the image viewer above. The EGR valve in photo 3 of 4 (with the red X) is not covered by this article and is tested differently. The EGR valve in photo 4 of 4 (with the GREEN check mark) is the one covered by this article.

Where is the vent port on an EGR?

In case you’re wondering, the letter J is embossed above the vacuum port on the throttle body. The other side of the EGR vacuum solenoid has 2 ports. One is a vent port (that vents vacuum to the atmosphere) when the engine is idling.

What should I do if my EGR valve is stuck?

Symptoms Of A Stuck Open EGR Valve. As you’re probably already aware, the EGR valve’s job is to let a metered amount of exhaust gas (that is oxygen free) into the intake manifold to reduce the amount of oxygen entering the engine.

How does the PCM open the EGR valve?

On throttle application, the EGR valve will be commanded open by the PCM as needed. The PCM waits for many conditions to be met before running the EGR test.

Can you clean an EGR valve without removing it?

If you cannot get direct access to the turbo an alternative would be to spray (less effective) into the air duct in the direction of the turbo but please remember to remove the MAF (mass airflow)/air intake sensor first as the cleaner may damage it. Please feel free to Comment, Like, Share and Subscribe. This video is for guide purposes only.

How do you replace exhaust gas in a Chevy Silverado?

Correctly position the new gasket onto the EGR mounting surface, followed by the new EGR valve. Hand-tighten the 10mm bolts. Then use the socket, ratchet, and extension to tighten them further. Attach the connector to the new EGR valve to complete the installation.