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Chevrolet Lumina how do I clean a EGR valve?

Tiny
JOE1953
  • MEMBER
  • 1997 CHEVROLET LUMINA
  • 176,000 MILES
Chevrolet Lumina how do I clean a EGR valve?
Saturday, January 26th, 2013 AT 11:56 PM

7 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The only thing you can do is look for carbon blocking the pindle from seating. Otherwise, replace it

roy
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Sunday, January 27th, 2013 AT 12:01 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The valve or the passage way?What are the exact codes you have not code descriptions?
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+1
Sunday, January 27th, 2013 AT 12:02 AM
Tiny
JOE1953
  • MEMBER
  • 620 POSTS
Engine code p0401
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Sunday, January 27th, 2013 AT 12:24 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
https://www.2carpros.com/trouble_codes/obd2
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Sunday, January 27th, 2013 AT 2:03 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
That's a insufficient flow code so the egr isn't working its stuck closed or the egr port is clogged. When you push the egr pintle down does it go down smoothly? Or is it hard to push then suddenly pops loose and free?Also remove the egr valve and start the engine for a few seconds the engine should race and you should hear a loud exhaust leak?
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Sunday, January 27th, 2013 AT 2:52 AM
Tiny
JOE1953
  • MEMBER
  • 620 POSTS
I am not having any drivability problems such as pinging pre-ignition knock when the engine is under load
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Monday, January 28th, 2013 AT 1:51 AM
Tiny
SATURNTECH9
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That doesn't matter because code is low flow not too much flow please try what I asked?
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Monday, January 28th, 2013 AT 3:01 AM

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