What happens if you replace the EGR valve on a Chevy Silverado?
What happens if you replace the EGR valve on a Chevy Silverado?
If the EGR valve becomes faulty, you may notice engine misfires, a rougher idle, and/or poorer acceleration. Along with this, your truck may fail to meet emission standards. The steps below outline how to properly replace the EGR valve in your Silverado.
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.
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:
How to diagnose a stuck open EGR valve?
CASE 1: Vacuum WAS NOT present. This is the correct and expected test result since manifold vacuum should NOT be present when the engine is idling. The next step is to remove the EGR valve from its place on the intake manifold and make sure it’s valve pintle is not stuck open. For this test, go to: TEST 2: EGR Valve Pintle Stuck Open.
How do you test an EGR valve?
Testing with a Scan Tool Use a car scan to test the EGR valve. Locate the OBD-II data connector. Turn the ignition to the on position. Connect the scan tool to the OBD-II data link connector. Read the results.
What are the symptoms of a Stuck EGR valve?
A faulty EGR valve or related component may leave the valve in either the stuck open or stuck closed position. The symptoms of a stuck open EGR valve are a rough idle with a lean air fuel mixture. The engine has a major vacuum leak. The symptoms of a stuck closed EGR valve are pre-ignition, ping, and knock.
Where is EGR valve located?
The EGR (Exhaust Gas Recirculation) valve is technically located between the exhaust and intake manifolds, since it recirculates exhaust gasses back into the intake.
Where is the EGR valve located on a Toyota?
“Where is the EGR Valve on my 1999 Toyota Camry ?”. The EGR Valve is located between the firewall and the top, side of your engine. Always check the rubber hoses here, since cracks and abrasions on these pressurized hoses can give EVAP system error codes easily.
