Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
First, locate EGR valve. Place the vehicle in park. Apply the emergency brake. Start the vehicle. Allow to warm up. then find the EGR plunger mechanism. The EGR valve plunger meters the exhaust gas recirculation by opening and closing.Manually rev the engine and check for plunger operation. A plunger stuck open or closed indicates EGR valve problems. Replace the bad EGR valve.