1999 Chevy Lumina EGR VALVE

Tiny
PETEYG2
  • MEMBER
  • 1999 CHEVROLET LUMINA
Engine Mechanical problem
1999 Chevy Lumina 6 cyl Two Wheel Drive Automatic

How do you check an egr valve and change it if bad
Friday, March 27th, 2009 AT 1:23 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
First, locate EGR valve. Place the vehicle in park. Apply the emergency brake. Start the vehicle. Allow to warm up.
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.

Post results of EGR valve function and I will follow up.

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Friday, March 27th, 2009 AT 1:30 PM

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